Games like O21

All Aspect Warfare: Angle of Attack is an action, shooter and simulation game developed by 3000AD. It came out on 18-08-2009. 3000AD published the game. You can play All Aspect Warfare: Angle of Attack on PC.

Shattered is an indie action game developed by Devin Eastmond. Shattered is available on macOS and PC. The game is sold via Steam.

SPACE ASTEROID SHOOTER: RETRO ACHIEVEMENT HUNTER is an indie action game developed by DRUNKEN APES. You can play SPACE ASTEROID SHOOTER: RETRO ACHIEVEMENT HUNTER on macOS and PC. You can purchase the game on Steam.

Thunderbolt 2 is a casual simulation-arcade game developed by LillyWelland and Team6 Game Studios. It was originally released in 2004. Xing Interactive published the game. The game is rated as "Skip" on RAWG. You can play Thunderbolt 2 on PC. You can purchase the game on Steam.

S.F.77 is a game developed by mkaatr. It was originally released in 2018. mkaatr published the game. S.F.77 is available on PC. The game is sold via Steam.

MegaFactory Titan is a strategy-simulation game developed by Q Switched Productions. It came out on 23-02-2022. Q Switched Productions published the game. You can play MegaFactory Titan on PC, macOS and Linux. You can purchase the game on Steam.

A Blast From The Past is an indie action game developed by Happy Cactus Games. It came out on 15-03-2023. Happy Cactus Games published the game. The game is rated as "Recommended" on RAWG. You can play A Blast From The Past on macOS and PC. You can purchase the game on Steam.

Birds of Steel is an action, simulation, racing and arcade game developed by Konami Digital Entertainment and Gaijin Entertainment. It came out on 09-12-2011. Konami published the game. Birds of Steel has a Metascore of 75, based on professional reviews. Most rawgers rated the game as "Recommended". You can play Birds of Steel on PlayStation 3 and Xbox 360. The game is sold via PlayStation Store and Xbox 360 Store.

Analemma is a casual adventure game developed by Mugle Studio. You can play Analemma on PC. You can purchase the game on Steam.

Multibombers is an indie action-strategy game developed by Pig's Indie Games. It was originally released in 2018. It was published by Pig's Indie Games. You can play Multibombers on PC. You can purchase the game on Steam.

Virtual Hydlide is an action game. You can play Virtual Hydlide on SEGA Saturn. Yumi Kinoshita scored the game.

Heavy Nova is a fighting game developed by Holocronet. It was originally released in 1991. Micronet co published the game. You can play Heavy Nova on SEGA CD and Genesis.