user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: what video game was expansion of mask of the betrayer? 
Knowledge Triplets: Resident Evil 6, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Cabela's Dangerous Hunts 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Outlaw, base.wikipedia_infobox.video_game.developer, Atari
Disney's Villains' Revenge, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Vampire: The Masquerade – Redemption, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The House of the Dead 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Arthur and the Invisibles, cvg.computer_videogame.publisher, Atari
Transformers: The Game, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.publisher, Atari
Obsidian Entertainment, cvg.cvg_developer.games_developed, Neverwinter Nights 2: Mask of the Betrayer
Resident Evil 5, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Atom Zombie Smasher, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Nogginknockers X: The Duel, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Transformers: Revenge of the Fallen, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Nancy Drew: Secret of the Scarlet Hand, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Quest for Glory: Shadows of Darkness, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Space Hulk: Vengeance of the Blood Angels, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Sniper: Ghost Warrior, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Assassin's Creed Unity, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
BloodRayne: Betrayal, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Darkstone: Evil Reigns, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2, cvg.computer_videogame.expansions, Neverwinter Nights 2: Mask of the Betrayer
Sniper: Ghost Warrior 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Disciples II: Dark Prophecy, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Arthur and the Invisibles, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.uses_game_engine, Electron engine
Neverwinter Nights: Hordes of the Underdark, cvg.computer_videogame.publisher, Atari
Severance: Blade of Darkness, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Totally Spies! 2: Undercover, cvg.computer_videogame.publisher, Atari
Screamer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Demons to Diamonds, base.wikipedia_infobox.video_game.developer, Atari
Wizardry VII: Crusaders of the Dark Savant, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Tomb Raider: The Angel of Darkness, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Nancy Drew: Trail of the Twister, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Thief: The Dark Project, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Swordquest, cvg.computer_videogame.developer, Atari
Superman: Shadow of Apokolips, cvg.computer_videogame.publisher, Atari
Electron engine, cvg.computer_game_engine.used_for_computer_games, Neverwinter Nights 2: Mask of the Betrayer
Fallout 4, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Imperium Romanum, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Role-playing video game, cvg.cvg_genre.games, Neverwinter Nights 2: Mask of the Betrayer
Resident Evil: Revelations, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Assassin's Creed: Brotherhood, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2, cvg.computer_videogame.developer, Obsidian Entertainment
The Shadow of Aten, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
RHEM 3: The Secret Library, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Storm of Zehir, cvg.computer_videogame.publisher, Atari
Konung 2: Blood of Titans, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Fallout Tactics: Brotherhood of Steel, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dracula 2: The Last Sanctuary, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Pillars of Eternity, cvg.computer_videogame.publisher, Obsidian Entertainment
m.0v7g1nr, dataworld.gardening_hint.last_referenced_by, Neverwinter Nights 2: Mask of the Betrayer
Call of Duty: Modern Warfare 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Ghostbusters: Sanctum of Slime, cvg.computer_videogame.publisher, Atari
Neverwinter Nights 2, cvg.computer_videogame.expansions, Neverwinter Nights 2: Storm of Zehir
Necromania: Trap of Darkness, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Alone in the Dark: The New Nightmare, cvg.computer_videogame.developer, Atari
Atari, cvg.cvg_publisher.games_published, Neverwinter Nights 2: Mask of the Betrayer
Dominions 3: The Awakening, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Geneforge 5: Overthrow, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.designers, George Ziets
Thief: Deadly Shadows, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Thief II: The Metal Age, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Cloak & Dagger, cvg.computer_videogame.developer, Atari
Broken Sword: The Shadow of the Templars, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Raptor: Call of the Shadows, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.release_date, 2007-10-09
BloodRayne 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dreamkiller, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Highlander: The Game, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Unreal II: The Awakening, cvg.computer_videogame.publisher, Atari
Assassin's Creed II, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.game_series, Neverwinter Nights
Depths of Betrayal Collector's Edition, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Mercenaries 2: World in Flames, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Sniper Elite III, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Men of War: Condemned Heroes, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Battleground 5: Antietam, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The House of the Dead: Overkill, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
I.G.I.-2: Covert Strike, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Nikopol: Secrets of the Immortals, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
World of Warcraft: Mists of Pandaria, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Spy Fox 3: "Operation Ozone", cvg.computer_videogame.publisher, Atari
Evil Islands: Curse of the Lost Soul, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Armored Warfare, cvg.computer_videogame.developer, Obsidian Entertainment
Sid Meier's Antietam!, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Deadlock: Planetary Conquest, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Chronicles of Riddick: Assault on Dark Athena, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dungeon Keeper 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
EverQuest II: Echoes of Faydwer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Sims 3: Supernatural, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Hidden & Dangerous 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Ragnarok Online 2: Legend of the Second, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Shellshock 2: Blood Trails, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Secret Files 2: Puritas Cordis, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights: Hordes of the Underdark, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Prison Break: The Conspiracy, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Desperados 2: Cooper's Revenge, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Desperados 2: Cooper's Revenge, cvg.computer_videogame.publisher, Atari
Mechanized Assault & Exploration 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Diablo II: Lord of Destruction, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Evil Dead: Regeneration, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Doom 3: Resurrection of Evil, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
MechWarrior 2: Mercenaries, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Forgotten Realms, fictional_universe.fictional_universe.works_set_here, Neverwinter Nights 2: Mask of the Betrayer
Baldur's Gate II: Enhanced Edition, cvg.computer_videogame.publisher, Atari
Pandemonium 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Harry Potter and the Prisoner of Azkaban, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Chris Avellone, cvg.cvg_designer.games_designed, Neverwinter Nights 2: Mask of the Betrayer
Outlaw, cvg.computer_videogame.developer, Atari
Strength of the Sword 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Fallout 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Abomination: The Nemesis Project, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dracula the Undead, cvg.computer_videogame.publisher, Atari
Gauntlet: The Third Encounter, base.wikipedia_infobox.video_game.developer, Atari
Guardians of the 'Hood, cvg.computer_videogame.publisher, Atari
Lode Runner 2, cvg.computer_videogame.publisher, Atari
Gauntlet: The Third Encounter, cvg.computer_videogame.publisher, Atari
Secret of the Solstice, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Broken Sword: The Shadow of the Templars – Director's Cut, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Torchlight 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Total Annihilation: Kingdoms, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.cvg_genre, Role-playing video game
Bejeweled 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
MagnaCarta 2, cvg.computer_videogame.publisher, Atari
Castlevania: Lords of Shadow, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
George Ziets, cvg.cvg_designer.games_designed, Neverwinter Nights 2: Mask of the Betrayer
Hidden & Dangerous, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Transformers, cvg.computer_videogame.publisher, Atari
The Witcher, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights: Pirates of the Sword Coast, cvg.computer_videogame.publisher, Atari
Streets of Rage 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2, cvg.computer_videogame.expansions, Neverwinter Nights 2: Mysteries of Westgate
Assassin's Creed: Revelations, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Gauntlet: The Third Encounter, cvg.computer_videogame.developer, Atari
Call of Duty 4: Modern Warfare, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.game_version.game, Neverwinter Nights 2: Mask of the Betrayer
Fantasy, cvg.cvg_genre.games, Neverwinter Nights 2: Mask of the Betrayer
Hunted: The Demon's Forge, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Damage Incorporated, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
FlatOut: Ultimate Carnage, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_game_expansion.expansion_for, Neverwinter Nights 2
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.cvg_genre, Fantasy
Assassin's Creed III: Liberation, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dungeon Siege III, base.wikipedia_infobox.video_game.developer, Obsidian Entertainment
Assassin's Creed III, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Crusaders of Might and Magic, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Darksiders II, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Highlander: The Last of the MacLeods, cvg.computer_videogame.publisher, Atari
Thandor: The Invasion, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Witcher 2: Assassins of Kings, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Wasteland 2, cvg.computer_videogame.developer, Obsidian Entertainment
Bejeweled 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Baldur's Gate II: Shadows of Amn, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Killing Floor 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Beast Wars: Transformers, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Thay, fictional_universe.fictional_setting.works_set_here, Neverwinter Nights 2: Mask of the Betrayer
Nosferatu: The Wrath of Malachi, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Streets of Rage 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Gangsters 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
V-Rally 3, cvg.computer_videogame.publisher, Atari
Neverwinter Nights 2: Storm of Zehir, cvg.computer_videogame.developer, Obsidian Entertainment
Elements of Destruction, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Star Trek: Hidden Evil, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Pillars of Eternity, cvg.computer_videogame.developer, Obsidian Entertainment
Neverwinter Nights 2: Mask of the Betrayer, base.wikipedia_infobox.video_game.developer, Obsidian Entertainment
Manhunt 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Armored Warfare, base.wikipedia_infobox.video_game.developer, Obsidian Entertainment
Warcraft II: Tides of Darkness, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Demons to Diamonds, cvg.computer_videogame.publisher, Atari
Death to Spies, cvg.computer_videogame.publisher, Atari
Sniper: Art of Victory, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Ground Control: Dark Conspiracy, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Fallout 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dead Rising 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Tempest 2000, cvg.computer_videogame.developer, Atari
Asterix & Obelix XXL 2: Mission: Las Vegum, cvg.computer_videogame.publisher, Atari
Ghost Whisperer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
UFO: Aftershock, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Half-Life 2: Deathmatch, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Bugdom 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Broken Sword II: The Smoking Mirror, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Terminator 3: Rise of the Machines, cvg.computer_videogame.publisher, Atari
Assassin's Creed Syndicate, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Commandos 2: Men of Courage, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
MechWarrior 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Raven Squad: Operation Hidden Dagger, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Diablo III: Reaper of Souls, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Fatal Fury 3: Road to the Final Victory, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Rise of Incarnates, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Stronghold 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Betrayal in Antara, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Garshasp: The Monster Slayer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, fictional_universe.work_of_fiction.part_of_these_fictional_universes, Forgotten Realms
Alone in the Dark, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Avernum: Escape from the Pit, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Elimination, cvg.computer_videogame.publisher, Atari
Warcraft III: Reign of Chaos, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Stealth Inc. 2: A Game of Clones, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Belief & Betrayal, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Heroes of Might and Magic V: Hammers of Fate, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Terminator 3: The Redemption, cvg.computer_videogame.publisher, Atari
Alone in the Dark 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Chronicles of Riddick: Escape from Butcher Bay, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Temple of Elemental Evil, cvg.computer_videogame.publisher, Atari
Darksiders, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Necronomicon: The Dawning of Darkness, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
MechWarrior 4: Vengeance, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Oddworld: Stranger's Wrath, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Men in Black II: Alien Escape, base.wikipedia_infobox.video_game.developer, Atari
Redjack: Revenge of the Brethren, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Resident Evil 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mysteries of Westgate, cvg.computer_game_expansion.expansion_for, Neverwinter Nights 2
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.developer, Obsidian Entertainment
Elimination, cvg.computer_videogame.developer, Atari
The Slaughtering Grounds, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Ghostbusters: Sanctum of Slime, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Asterix & Obelix XXL 2: Mission: Wifix, cvg.computer_videogame.publisher, Atari
F.E.A.R. 3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Screamer 4x4, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The House of the Dead III, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Special Force 2: Tale of the Truthful Pledge, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Storm of Zehir, cvg.computer_game_expansion.expansion_for, Neverwinter Nights 2
Ghostbusters: The Video Game, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Metal Gear Rising: Revengeance, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Assassin's Creed IV: Black Flag, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Godzilla: Destroy All Monsters Melee, cvg.computer_videogame.publisher, Atari
Turok 2: Seeds of Evil, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Assassin's Creed, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Plan to Destroy the Saiyans Part 2, cvg.computer_videogame.publisher, Atari
Cloak & Dagger, base.wikipedia_infobox.video_game.developer, Atari
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.designers, Chris Avellone
Tempest, base.wikipedia_infobox.video_game.developer, Atari
Wittard: Nemesis of Ragnarok, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Special Permit: The Expansion Pack for Cabela's Big Game Hunter, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Magic: The Gathering, cvg.computer_videogame.developer, Atari
King's Quest: Mask of Eternity, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Minions of Mirth, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Sniper Elite, cvg.computer_videogame.publisher, Atari
Heroes of Might and Magic III: Armageddon's Blade, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Tempest 2000, cvg.computer_videogame.publisher, Atari
The Shadow of Yserbius, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Mass Effect 2: Lair of the Shadow Broker, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.versions, Neverwinter Nights 2: Mask of the Betrayer
South Park: The Stick of Truth, cvg.computer_videogame.developer, Obsidian Entertainment
Vampire: The Masquerade – Bloodlines, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Fortune Summoners: Secret of the Elemental Stone, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Guardians of the 'Hood, base.wikipedia_infobox.video_game.developer, Atari
Shroud of the Avatar: Forsaken Virtues, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Yars' Revenge, cvg.computer_videogame.publisher, Atari
Betrayer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Hell Yeah! Wrath of the Dead Rabbit, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Extreme Paintbrawl 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Black & White 2: Battle of the Gods, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Myth II: Soulblighter, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights: Shadows of Undrentide, cvg.computer_videogame.publisher, Atari
MechWarrior 4: Mercenaries, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
StarCraft II: Legacy of the Void, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Crypt of the Necrodancer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, fictional_universe.work_of_fiction.setting, Rashemen
Magic: The Gathering – Duels of the Planeswalkers, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Hogs of War 2, cvg.computer_videogame.publisher, Atari
Blacklight: Retribution, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Witcher 3: Wild Hunt, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2, cvg.computer_videogame.publisher, Akella
BioShock 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Shadows of Cairn, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Art of Murder: Cards of Destiny, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Unvanquished, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Hitman 2: Silent Assassin, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2, cvg.computer_videogame.publisher, Atari
Gabriel Knight 3: Blood of the Sacred, Blood of the Damned, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Deus Ex: Invisible War, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Deadlock II: Shrine Wars, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Rashemen, fictional_universe.fictional_setting.works_set_here, Neverwinter Nights 2: Mask of the Betrayer
Malice, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Ghost in the Shell: Stand Alone Complex, cvg.computer_videogame.publisher, Atari
Shadow of Memories, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Black & White 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Evochron Renegades, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Rayman 3: Hoodlum Havoc, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Defender 2000, cvg.computer_videogame.developer, Atari
Dungeon Siege III, cvg.computer_videogame.developer, Obsidian Entertainment
Darkfall Unholy Wars, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Kevin D. Saunders, cvg.cvg_designer.games_designed, Neverwinter Nights 2: Mask of the Betrayer
Silent Hunter II, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Alone in the Dark: Illumination, cvg.computer_videogame.publisher, Atari
Test Drive: Eve of Destruction, cvg.computer_videogame.publisher, Atari
The Witcher, cvg.computer_videogame.publisher, Atari
Enemy in Sight, cvg.computer_videogame.publisher, Atari
Yars' Revenge, cvg.computer_videogame.developer, Atari
Mob of the Dead, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Ruiner Pinball, cvg.computer_videogame.publisher, Atari
Warhammer: Shadow of the Horned Rat, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Fury3, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Painkiller: Resurrection, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Asterix, base.wikipedia_infobox.video_game.developer, Atari
Cloak & Dagger, cvg.computer_videogame.publisher, Atari
Virtua Cop 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Gothic II: Night of the Raven, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Call of Duty: Ghosts, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Destruction Derby 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights, cvg.game_series.games_in_series, Neverwinter Nights 2: Mask of the Betrayer
Neverwinter Nights: Shadows of Undrentide, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Rise of the Argonauts, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Resident Evil 4, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Totally Spies! 2: Undercover, cvg.computer_videogame.developer, Atari
The Temple of Elemental Evil, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
World of Warcraft: Wrath of the Lich King, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Command & Conquer 3: Kane's Wrath, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Call of Duty: Modern Warfare 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Punisher, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dracula: Resurrection, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Star Trek: Secret of Vulcan Fury, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.designers, Kevin D. Saunders
Earthsiege 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
MechCommander 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Terminator 3: War of the Machines, cvg.computer_videogame.publisher, Atari
Requiem: Avenging Angel, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Mass Effect 2: Overlord, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
X2: Wolverine's Revenge, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dead Rising 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
BaboViolent 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
F.E.A.R. 2: Reborn, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Cyberpunk 2077, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Call of Duty 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Single-player video game, cvg.gameplay_mode.games_with_this_mode, Neverwinter Nights 2: Mask of the Betrayer
Curse of the Pharaoh: The Quest for Nefertiti, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Black Mirror II: Reigning Evil, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Dark Eye: Demonicon, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2, base.wikipedia_infobox.video_game.developer, Obsidian Entertainment
Gothic II, cvg.computer_videogame.publisher, Atari
Alone in the Dark, cvg.computer_videogame.publisher, Atari
Screamer 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Chronicles of Riddick: Assault on Dark Athena, cvg.computer_videogame.publisher, Atari
Tactical Ops: Assault on Terror, cvg.computer_videogame.publisher, Atari
Transformers: Rise of the Dark Spark, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Attack of the Mutant Penguins, cvg.computer_videogame.publisher, Atari
FlatOut 3: Chaos & Destruction, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Resident Evil 3: Nemesis, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Incredibles: Rise of the Underminer, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Magic: The Gathering – Duels of the Planeswalkers 2013, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Swordquest, cvg.computer_videogame.publisher, Atari
Heroes of Might and Magic III: The Shadow of Death, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
The Lord of the Rings: The Battle for Middle-earth II: The Rise of the Witch-king, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Dark Reign 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Mask of the Betrayer, cvg.computer_videogame.gameplay_modes, Single-player video game
Blood Omen 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Carnivores 2, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Rayman 2: The Great Escape, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Breakout 2000, cvg.computer_videogame.publisher, Atari
Gladiator: Sword of Vengeance, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Realms of the Haunting, base.wikipedia_infobox.video_game.platforms, Microsoft Windows
Neverwinter Nights 2: Storm of Zehir, base.wikipedia_infobox.video_game.developer, Obsidian Entertainment
Neverwinter Nights 2: Mask of the Betrayer, fictional_universe.work_of_fiction.setting, Thay
Baldur's Gate: Enhanced Edition, cvg.computer_videogame.publisher, Atari

Answer: Neverwinter Nights 2