Counter-Strike Neo is a Japanese arcade adaptation of Counter-Strike, the original Half-Life multiplayer modification. It is published by Namco and runs on a Linux system. It has some significant changes as well, including several minor ones. For example, the game does not feature traditional Terrorist versus Counter-Terrorist scenarios. Instead, it incorporates a matchmaking and Elo-derived rating system to help keep players and teams on even footing. Most notably, the game uses anime models to market it in Japan. The weapons from Counter-Strike: Condition Zero make a full return.