An abstract strategy game is a strategy game that does not rely on a "theme".
 Traditional abstract strategy games will conform to the strictest definition of: a gameboard, card, or tile game in which there is no hidden information, no non-deterministic elements (such as shuffled cards or dice rolls), and (usually) two players or teams taking a finite number of alternating turns.
""Last Empire - War Z "" is a popular freemium Massively Multiplayer Online strategy game developed and published by IM30 Studios.It was launched in August 2015 and then spread all over the world, it became popular among players with a shocking speed, now having over 80 million downloads and is available in over 220 countries.
 It is the Google play“Best of Game 2016”. "
"Last Empire- War Z"" has been recommended to globe twice and to districts for several times.
 It always takes a high rank in App download list in most countries and is one of the best strategies games that was beloved by players.
 High rates and good comments mean it attracting more and more worldwide players.However, despite the great success it has achieved, many players would complain about having difficulties dealing with all kinds of bug when enjoying the gameplay, and the constant ignoration from the game when trying to report the problems they have came up with.
 It seems that more and more players have shown their dissatisfaction about the game itself as it always tend to release new updates in order to earn more money instead of responding to players or paying attention on solving the bugs.
 Also, the game's system is almost the same as another strategy game - Clash of Kings.
ZÈRTZ is the third game in the "GIPF" Project of six abstract strategy games.
 The game features a shrinking board and an object that promotes sacrifice combinations.
 Since neither player owns on-board pieces, maintaining the initiative is of fundamental importance.
Escape from Atlantis is a board game that portrays the sinking of Atlantis and the attempts by the population to escape the sinking island.
 It was originally released in the United States under the title of Survive!
 and first published in the English language by Parker Brothers in 1982.
 "Survive!"
 was also marketed in Canada, Italy, Spain, and in many other countries.
The Pirates Constructible Strategy Game is a tabletop game manufactured by WizKids, Inc., with aspects of both miniatures game and collectible card game genres.
 "Pirates of the Spanish Main" (the initial release of the "Pirates" line) is the world's first "constructible strategy game," referring to the mechanics of creating game pieces from components that punch out of styrene cards.
 The game was created by Jordan Weisman and designed by Mike Mulvihill, Ethan Pasternack, James Ernest, and Mike Selinker.
 It was released in early July 2004.
 There was also an online computer game based on Pirates of the Spanish Main by Sony Online Entertainment called Pirates CSG Online, which ended on 1/31/2011.
A constructible strategy game (CSG) (also spelled constructable strategy game) is a tabletop strategy game employing pieces assembled from components.
Pirates CSG (Constructible Strategy Game) Online was an online version the constructible strategy game "Pirates of the Spanish Main".
 The game was made and powered by Sony Online Entertainment (SOE).
 Although based on the Pirates of the Spanish Main Constructible Strategy Game, some game features were very different from WizKids' original game.
Shattered Galaxy is a massively multiplayer online real-time strategy game (MMORTS) that was released in 2001 by KRU Interactive.
, now known as Nexon Inc, after an extensive open beta period.
 In the US, it was published by Tri Synergy.
 It combines the attributes of a massive multiplayer online role-playing game and a real-time strategy game.
 Having won the Seumas McNally Grand Prize at the 2001 Independent Games Festival and hosted through the Game Developers Conference, the game has been commercially unsuccessful due in large part to its dated graphics engine.
 The game was published under the name Tactical Commanders in South Korea, published by Nexon until December 31, 2005.
 This game has also been serviced in Japan, Taiwan, and Germany.
War of Legends was a massively multiplayer online strategy game set in "a world of ancient Chinese mythology" and was published by Jagex on January 19, 2010.
 It was the company's first full online strategy game, the first game to be published by the company rather than produced by them, the first game published by Jagex not to be written in Java, and the company's first microtransaction game.
 On January 29, 2015, Jagex announced that the game would be permanently closed effective immediately, following a security issue that took the game offline over a month earlier on December 22, 2014.
Hackers is an independent video game developed by Trickster Arts.
 It is a Strategy game for Android and iOS.
 "Hackers" is a cyberwarfare strategy game, and has been likened to the video game Uplink.
 On iOS the game has an added suffix: "Hackers - Join the Cyberwar".

Question: Which is a strategy game, Escape from Atlantis or ZÈRTZ?
Answer: ZÈRTZ