SubSpace is a 2D space shooter video game created in 1995 and released in 1997 by Virgin Interactive which was a finalist for the Academy of Interactive Arts & Sciences Online Game of the Year Award in 1998. SubSpace incorporates quasi-realistic zero-friction physics into a massively multiplayer online game.

Infantry, also known as Infantry Online, is a multiplayer combat video game. Originally released in 1999, the game was taken offline by Sony Online Entertainment and the servers shut down in March 2012. The Infantry community subsequently took control of the game and re-launched it independently at freeinfantry.com.