Spectre is a video game for the Macintosh, developed in 1990 by Peninsula Gameworks and published in 1991 by Velocity Development. It is a 3D vector graphics tank battle reminiscent of the arcade game Battlezone. One sequel, Spectre VR, appeared on a number of lists of best video games.
FishVille is a defunct real-time aquarium simulation game developed by Zynga, it was available as an application on the social-networking website Facebook. The game allowed members of Facebook to manage virtual aquariums by rearing fish. As of October 2011, FishVille had 1.6 million monthly active users.