Gunmetal is a first-person shooter video game for the PC. It was developed and distributed by Mad Genius Software in 1998.

Sonic & Knuckles Collection is an action game developed by Sonic Team, Media Kite and published by SEGA Enterprises Ltd., SEGA Entertainment, Inc., Expert Software, Inc., Media Kite in 1996.

Neo Sonic 2 is an action game developed by Manic Team and published by Manic Team in 2000.

Neo Sonic: God Speed 2 is an action game developed by Manic Team and published by Manic Team in 2005.

Neo Sonic Universe is an action game developed and published by Alexander Martins in 2003.

Sonic Omega is an action game developed by Manic Team and published by Unknown in 2001.

Sonic Zone is an action game developed by Effeser Project and published by Effeser Project in 2003.

Darby the Dragon is a children’s video game developed by Capitol Multimedia and published by Broderbund in 1996 for Macintosh and Microsoft Windows.

Sonic the Hedgehog is a multidirectional scrolling platform game developed by Sonic Team and published by Sega in 1991 for the Genesis/Mega Drive.

Tetris 99 is a strategy game developed by Richard Fellner and published by Unknown in 1997.