# List of Dreamcast online games

This is a comprehensive list of online Dreamcast games, including those that could be played on SegaNet, an online gaming service by Sega.
Although SegaNet was discontinued on September 30, 2003, dedicated fans have continued to support online gameplay for Dreamcast games through their own initiatives.

## Games with online multiplayer support

Availability of online features may vary depending on the region. Games with release dates displayed in green backgrounds indicate that they have online support, while those with light grey backgrounds were released without online capabilities in that particular region.
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| Title | Genre | Developer(s) | Publisher(s) | Release date | Release date | Release date | # of online players | Community Server |
| Title | Genre | Developer(s) | Publisher(s) | JP | NA | PAL | # of online players | Community Server |
| 4x4 Evo | Driving, Racing, Rally-Offroad | Terminal Reality | Gathering of Developers | Unreleased | October 30, 2000 | Unreleased | 1–2 | Dreamcast-Talk |
| Aero Dancing F: Todoroki Tsubasa no Hatsu Hikō | Simulation, Airplane | CRI | CRI Middleware | February 24, 2000 | Unreleased | Unreleased | 1–2 | |
| Aero Dancing i | Simulation, Airplane | CRI | CRI Middleware | February 15, 2001 | Unreleased | Unreleased | 1–4 | |
| Aero Dancing i: Jikai Saku Made Matemasen | Simulation, Airplane | CRI | CRI Middleware | August 23, 2001 | Unreleased | Unreleased | 1–4 | |
| Alien Front Online | Action, Shooter, Third Person, Sci-Fi | Sega | Sega | Unreleased | August 9, 2001 | Unreleased | 1 | Shuouma |
| Atsumare! GuruGuru Onsen | Tabletop, Board Game | Overworks | Sega | September 23, 1999 | Unreleased | Unreleased | 4 | |
| Atsumare! GuruGuru Onsen BB | Tabletop, Board Game | Overworks | Sega | October 31, 2000 | Unreleased | Unreleased | 4 | |
| Bomberman Online | Puzzle, Action | Hudson Soft | Sega | Unreleased | October 30, 2001 | Unreleased | 1–4 | |
| Capcom vs. SNK | Action, Fighting, 2D | Capcom | Capcom | September 6, 2000 | November 8, 2000 | December 15, 2000 | 1–2 | |
| Capcom vs. SNK Pro | Action, Fighting, 2D | Capcom | Capcom | June 14, 2001 | Unreleased | Unreleased | 1–2 | |
| Capcom vs. SNK 2 | Action, Fighting, 2D | Capcom | Capcom | September 13, 2001 | Unreleased | Unreleased | 1–2 | |
| ChuChu Rocket! | Puzzle | Sonic Team | Sega | November 11, 1999 | February 29, 2000 | June 9, 2000 | 1–4 | |
| Culdcept Second | Board game, Collectible card game | OmiyaSoft | Media Factory | July 12, 2001 | Unreleased | Unreleased | 1–4 | |
| Cyber Troopers Virtual-On Oratorio Tangram | Fighting, Arcade | Sega AM3 | Sega | December 9, 1999 | June 7, 2000 | Unreleased | 2 | |
| Daytona USA 2001 | Driving, Racing, Arcade | Amusement Vision | Sega, Hasbro Interactive | December 21, 2000 | March 12, 2001 | May 11, 2001 | 1–4 | |
| Dee Dee Planet | Puzzle | Sega | Sega | Prototype | Unreleased | Unreleased | 4 | Shuouma |
| Driving Strikers | Sports, Arcade, Driving | WAVE Game Studios | WAVE Game Studios | Unreleased | July 2023 | July 2023 | 4 | Reality Jump |
| Frame Gride | Fighting, Mech | FromSoftware | FromSoftware | July 15, 1999 | Unreleased | Unreleased | 2 | |
| Gundam Battle Online | Fighting, Mech | Bandai | Bandai | June 28, 2001 | Unreleased | Unreleased | 1-4 | |
| Guruguru Onsen 2 | Tabletop, Board Game | Overworks | Sega | August 9, 2001 | Unreleased | Unreleased | 1-6 | |
| Guruguru Onsen 3 | Tabletop, Board Game | Overworks | Sega | March 14, 2002 | Unreleased | Unreleased | 1-5 | |
| Hanagumi Taisen Columns 2 | Puzzle | Sega | Sega | January 6, 2000 | Unreleased | Unreleased | 2 | |
| Heavy Metal: Geomatrix | Fighting, Arcade | Capcom | Capcom | July 12, 2001 | September 12, 2001 | April 26, 2002 | 1-4 | |
| Hundred Swords | Strategy, Real-time | Capcom | Capcom | February 8, 2001 | Unreleased | Unreleased | 1-4 | |
| Internet Game Pack | Miscellaneous, Tabletop | Visual Concepts | Sega | Unreleased | Prototype | Unreleased | 4 | Shuouma |
| JoJo's Bizarre Adventure: For Matching Service | Fighting, Arcade | Capcom | Capcom | November 25, 1999 | Unreleased | Unreleased | 1-2 | |
| Kitahei Gold | Board Game, Card Game | SPS | NetVillage | November 18, 1999 | Unreleased | Unreleased | 1-2 | |
| Marvel Vs. Capcom 2 | Fighting, Arcade | Capcom | Capcom | March 30, 2000 | June 27, 2000 | July 16, 2000 | 1-2 | |
| Maximum Pool | Miscellaneous, Parlor, Billiards | Dynamix | Sierra Sports | Unreleased | December 4, 2000 | Unreleased | 1–4 | Dreamcast-Talk |
| Mobile Suit Gundam: Federation vs. Zeon DX | Arcade, Fighting, Shooting | Capcom | Bandai | April 11, 2002 | Unreleased | Unreleased | 4 | Shuouma |
| Monaco Grand Prix Online | Driving, Racing, Arcade | Ubi Soft Paris | Ubi Soft | Unreleased | Unreleased | November 23, 2001 | 6 | Shuouma |
| NBA 2K1 | Sports, Traditional, Basketball, Sim | Visual Concepts | Sega | March 29, 2001 | November 1, 2000 | Unreleased | 1–4 | Shuouma |
| NBA 2K2 | Sports, Traditional, Basketball, Sim | Visual Concepts | Sega | May 23, 2002 | October 24, 2001 | March 8, 2002 | 1–4 | Shuouma |
| NCAA College Football 2K2 | Sports, Traditional, Football, Sim | Visual Concepts | Sega | Unreleased | August 29, 2001 | Unreleased | 1–4 | Shuouma |
| The Next Tetris: On-line Edition | Puzzle | Blue Planet Software | Crave Entertainment | Unreleased | December 15, 2000 | May 4, 2001 | 1-2 | Shuouma |
| Net de Para: Nekosogi Paradise | Visual Novel, Dating Sim | Takuyo Co Ltd | Takuyo Co Ltd | December 1, 2000 | Unreleased | Unreleased | 1–2 | |
| Netto de Tennis | Sports, Traditional, Tennis, Arcade | Capcom | Capcom | October 9, 2000 | Unreleased | Unreleased | 1–4 | |
| Nettou Golf | Sports, Traditional, Golf, Arcade | Sega | Sega | October 19, 2000 | Unreleased | Unreleased | 1–4 | |
| NFL 2K1 | Sports, Traditional, Football, Arcade | Visual Concepts | Sega Sports | Unreleased | September 7, 2000 | Unreleased | 1–4 | Shuouma |
| NFL 2K2 | Sports, Traditional, Football, Arcade | Visual Concepts | Sega Sports | Unreleased | September 19, 2001 | Unreleased | 1–4 | Shuouma |
| Nippon Pro Mahjong Renmei Dankurai Nintei: Heisei Mahjong-Shou | Tabletop, Board Game | Micronet | Micronet | October 26, 2000 | Unreleased | Unreleased | 1-4 | |
| Net Versus: Chess | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-2 | |
| Net Versus: Hanafuda | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-2 | |
| Net Versus: Igo | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-2 | |
| Net Versus: Mahjong | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-4 | |
| Net Versus: Renju Gomoku Narabe | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-4 | |
| Net Versus: Reversi | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-2 | |
| Net Versus: Shogi | Tabletop, Board Game | Atmark | Atmark | May 24, 2001 | Unreleased | Unreleased | 1-2 | |
| Ooga Booga | Action | Visual Concepts | Sega | Unreleased | September 13, 2001 | Unreleased | 1–4 | Shuouma |
| Outtrigger | Action | Sega AM2 | Sega | August 2, 2001 | July 24, 2001 | August 3, 2001 | 1–6 | |
| PBA Tour Bowling 2001 | Sports, Traditional, Bowling, Sim | Bethesda Softworks | Bethesda Softworks | Unreleased | Prototype | Unreleased | 4 | Shuouma |
| Phantasy Star Online | Role-Playing | Sonic Team | Sega | December 21, 2000 | January 29, 2001 | February 23, 2001 | 1 | Sylverant and Dreamcast-Talk |
| Phantasy Star Online Ver. 2 | Role-Playing | Sonic Team | Sega | June 7, 2001 | September 24, 2001 | March 1, 2002 | 1 | Sylverant and Dreamcast-Talk |
| Planet Ring | Puzzle | Sega | Sega | Unreleased | Unreleased | December 4, 2000 | 1–4 | Shuouma |
| POD: Speedzone | Driving, Racing, Futuristic | Ubisoft Romania | Ubisoft | Unreleased | December 5, 2000 | December 15, 2000 | 1–2 | Shuouma |
| Power Stone 2 | Fighting, Party, Arcade | Capcom | Capcom | April 27, 2000 | August 23, 2000 | August 24, 2000 | 1–4 | |
| Project Justice | Fighting, Arcade | Capcom | Capcom | December 17, 2000 | May 16, 2001 | April 13, 2001 | 1–2 | |
| Propeller Arena | Action, Airplane, Simulation | Sega AM2 | Sega | Unreleased | Prototype | Unreleased | 1–6 | |
| Pro Yakyuu Team de Asobou NET! | Sports, Baseball, Arcade | Sega | Sega | August 10, 2000 | Unreleased | Unreleased | 1–4 | |
| Quake III Arena | Action, Shooter, First-Person, Sci-Fi | Raster Productions | Sega | Unreleased | October 22, 2000 | December 8, 2000 | 1–4 | Dreamcast-Talk |
| QuakeWorld | Action, Shooter, First-Person, Sci-Fi | Titanium Studios | Id Software | Unreleased | Prototype | Unreleased | 1–8 | |
| Rune Jade | Role-playing | Hudson Soft | Hudson Soft | Unreleased | August 24, 2000 | Unreleased | 1–4 | |
| Sakura Taisen Online: Paris no Nagai Hibi | Dating Sim, Community | Overworks | Sega | December 20, 2001 | Unreleased | Unreleased | 1–2 | |
| Sakura Taisen Online: Teito no Yuugana Hibi | Dating Sim, Community | Overworks | Sega | December 20, 2001 | Unreleased | Unreleased | 1–2 | |
| Sega Rally 2 | Driving, Racing, Arcade | Sega AM Annex | Sega | January 28, 1999 | November 30, 1999 | October 14, 1999 | 1–4 | |
| Sega Swirl | Puzzle | Tremor Entertainment | Sega | February 23, 2000 | February 23, 2000 | February 23, 2000 | 1–4 | N/A |
| Sega Tetris | Puzzle | WOW Entertainment | Sega | November 23, 2000 | Unreleased | Unreleased | 1–4 | |
| Spawn: In the Demon's Hand | Action, Arcade | Capcom | Capcom | August 10, 2000 | October 18, 2000 | January 19, 2001 | 1–8 | |
| Speed Devils: Online Racing | Driving, Racing, Arcade | Ubisoft Montreal | Ubisoft | Unreleased | December 13, 2000 | February 2, 2001 | 1–5 | |
| StarLancer | Simulation, Sci-Fi, Small Spaceship | Digital Anvil | Crave | Unreleased | November 27, 2000 | March 30, 2001 | 1 | Shuouma |
| Street Fighter III: 3rd Strike | Fighting, Arcade | Capcom | Capcom | June 29, 2000 | October 4, 2000 | 2000 | 2 | |
| Street Fighter Zero 3: For Matching Service | Fighting, Arcade | Capcom | Capcom | July 8, 1999 | Unreleased | Unreleased | 2 | |
| Super Puzzle Fighter II X: For Matching Service | Puzzle, Arcade | Capcom | Capcom | July 5, 2001 | Unreleased | Unreleased | 2 | |
| Super Street Fighter II X: For Matching Service | Fighting, Arcade | Capcom | Capcom | December 22, 2000 | Unreleased | Unreleased | 2 | |
| Taisen Net Gimmick: Capcom & Psikyo All Stars | Board Game, Card Game | Psikyo | Capcom | June 28, 2001 | Unreleased | Unreleased | 2 | |
| Tech Romancer: For Matching Service | Fighter, Arcade | Capcom | Capcom | January 13, 2000 | Unreleased | Unreleased | 2 | |
| Toukon Retsuden 4 | Sports, Wrestling | Yuke's | Tomy Corporation | September 2, 1999 | Unreleased | Unreleased | 2 | |
| Toy Racer | Driving, Racing, Arcade | No Cliche | Sega | Unreleased | Unreleased | December 22, 2000 | 1–4 | Dreamcast Live |
| Treasure Strike | Adventure | h.a.n.d. Inc. | Kid | February 17, 2000 | Unreleased | Unreleased | 1-4 | |
| Unreal Tournament | Action, Shooter, First-Person, Sci-Fi | Secret Level, Inc. | Infogrames | Unreleased | March 13, 2001 | June 29, 2001 | 1–2 | |
| Vampire Chronicle: For Matching Service | Fighting, Arcade | Capcom | Capcom | August 10, 2000 | Unreleased | Unreleased | 2 | |
| Virtua Tennis | Sports, Traditional, Tennis | Hitmaker | Sega Sports | November 23, 2000 | July 11, 2000 | September 8, 2000 | 1–4 | |
| World Series Baseball 2K2 | Sports, Traditional, Baseball, Sim | Visual Concepts | Sega Sports | April 18, 2002 | August 2001 | Unreleased | 1–4 | Shuouma |
| Worms World Party | Strategy | Team17 | Titus Interactive | Unreleased | June 3, 2001 | April 27, 2001 | 1–4 | Shuouma |

## Games with additional online features

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| Title | Genre | Developer(s) | Publisher(s) | Online Features | Community Servers |
| Title | Genre | Developer(s) | Publisher(s) | Online Features | Community Servers | 18 Wheeler: American Pro Trucker | Driving, Racing, Arcade | Sega AM2 | Sega | Leaderboards (JP version only) |
| 4x4 Evo | Driving, Racing, Rally-Offroad | Terminal Reality | Gathering of Developers | DLC (Additional tracks) | Dreamcast-Talk |
| ChuChu Rocket! | Puzzle | Sonic Team | Sega | DLC (User-created levels) | Shuouma |
| Crazy Taxi 2 | Driving, Arcade | Hitmaker | Sega | Leaderboards, DLC (Additional modes) | |
| Daytona USA 2001 | Driving, Racing, Arcade | Amusement Vision | Sega, Hasbro Interactive | Leaderboards | |
| Derby Tsuku 2 | Driving, Racing, Arcade | Smilebit | Sega | Leaderboards | |
| F355 Challenge | Driving, Racing | Sega AM2 | Sega | Competitive Time Trial | flyinghead |
| Floigain Bros. | Action | Visual Concepts | Sega | Chat, DLC (Mini games, mail, outfits) | |
| Golf Shiyouyo 2: The New Challenge | Sports, Traditional, Golf, Sim | SoftMax | SoftMax | Leaderboards | |
| Jet Grind Radio | Action, Platformer, 3D | Smilebit | Sega | Leaderboards, DLC (Graffiti) | DreamPipe |
| Metropolis Street Racer | Driving, Racing | Bizarre Creations | Sega | Leaderboards, DLC (Ghosts) | DreamPipe |
| Monaco Grand Prix Online | Driving, Racing, Arcade | Ubi Soft Paris | Ubi Soft | Leaderboards | Shuouma |
| Nettou Golf | Sports, Arcade, Golf, Sim | Data East | Sega | Leaderboards | |
| POD: Speedzone | Driving, Racing, Futuristic | Ubisoft Romania | Ubisoft | Leaderboards | Shuouma |
| Rayman 2 | Action, Platformer | Ubi Pictures | Ubi Soft | DLC (Mini games) | DreamPipe |
| Samba de Amigo | Rhythm, Arcade | Sonic Team | Sega | Leaderboards, DLC (Additional Songs) | |
| Samba de Amigo V2000 | Rhythm, Arcade | Sonic Team | Sega | Leaderboards, DLC (Additional Songs) | DreamPipe |
| San Francisco Rush 2049 | Driving, Racing, Futuristic | Midway | Midway | Leaderboards, DLC (Ghosts) | DreamPipe |
| Sega GT | Sports, Traditional, Football, Arcade | Wow Entertainment/Tose | Sega Sports | Leaderboards | |
| Sega Marine Fishing | Fishing, Sim, Arcade | Wow Entertainment | Sega Sports | Leaderboards, Messaging | |
| Sega Swirl | Puzzle | Tremor Entertainment | Sega | Email Challenge | N/A |
| Skies of Arcadia | Role-playing | Overworks | Sega | DLC | |
| Sonic Adventure | Action, Platformer | Sonic Team | Sega | Leaderboards, DLC (Special Events, Sound Files, Kart Race Tracks, Chao) | DreamPipe |
| Sonic Adventure 2 | Action, Platformer | Sonic Team | Sega | DLC (Themes, Kart Race Tracks, Chao) | DreamPipe |
| Star Wars Episode I: Racer | Driving, Racing, Arcade | LucasArts | LucasArts | Leaderboards | |
| Tokyo Xtreme Racer 2 | Driving, Racing, Arcade | Genki | Crave Entertainment | Leaderboards, DLC | |
| Toukon Retsuden 4 | Sports, Wrestling, Arcade | Yuke's | Sega | Leaderboards | |
| Toy Racer | Driving, Racing, Arcade | No Cliche | Sega | Leaderboards | Dreamcast Live |
| Vanishing Point | Driving, Racing, Arcade | Clockwork Games | Acclaim Entertainment | Leaderboards | |
| Virtua Athlete 2000 | Sports, Traditional, Olympics, Sim | Hitmaker | Sega | Leaderboards | |
| Visual Park | Application | Sega | Sega | Video Calling, Email | |
| World Neverland Plus | Strategy | Riverhillsoft | Riverhillsoft | Chat, Mail, DLC | |
| World Neverland 2 Plus | Strategy | Riverhillsoft | Riverhillsoft | Chat, Mail, DLC | |
| World Series Baseball 2K2 | Sports, Traditional, Baseball, Sim | Visual Concepts | Sega Sports | Leaderboards | Shuouma |