For a game similar to 'Earth Defense' ...

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Action adventure RPG Shooter Racing Platform Strategy Fighting Simulation puzzle MMORPG Music Arcade Fantasy Eroge Sports game Visual novel Survival horror Third-person shooter First-person shooter

On following platform...

Microsoft Windows Sony PlayStation 2 Xbox 360 Sony PlayStation 3 Sony PlayStation iOS Nintendo Wii Nintendo DS Mac OS X Amiga Super NES PlayStation Portable Xbox GBA Nintendo Entertainment System Sego MegaDrive Android GameCube GNU/Linux Game Boy Saturn PlayStation Vita Nintendo 3DS Nintendo 64 Sega Dreamcast Game Boy Color Sony PlayStation 4 Wii U Sega Master System Sega Game Gear

... I can play

Urban Strike

Urban Strike

1994  Shooter - Sega Game Gear Sego MegaDrive Super NES Game Boy
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Urban Strike - Wikipedia Urban Strike is a video game developed and published by Electronic Arts. It was initially released for the Sega Genesis in 1994, with ports to the Super Nintendo Entertainment System and Game Gear in 1995 and to the Game Boy in 1996. It is the third ...   more on Wikipedia
Revolution X

Revolution X

1994  Shooter - Sego MegaDrive Super NES Sony PlayStation Saturn Microsoft Windows - Up to 3 players/2 players in console versions  
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Revolution X - Wikipedia Revolution X is an arcade rail shooter game and the spiritual sequel to T2: The Arcade Game developed and published by Midway in 1994, featuring the rock band Aerosmith. It features gameplay similar to Midway's earlier Terminator 2: Judgment Day. In ...   more on Wikipedia
Dangerous Seed

Dangerous Seed

1989  Shooter - Sego MegaDrive - Up to 2 players, alternating turns  
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Dangerous Seed - Wikipedia Dangerous Seed (デンジャラスシード, Denjīrasu Shīdo?) is a vertical scrolling shooter arcade game that was released by Namco in 1989 only in Japan; it runs on Namco System 1 hardware and later in 1990, a Sega ...   more on Wikipedia
Chelnov

Chelnov

1988  Shooter - Sego MegaDrive Saturn - 1-2 players (alternating turns)  
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Chelnov - Wikipedia Chelnov (チェルノブ, cherunobu?), also known as Atomic Runner or fully titled as Atomic Runner Chelnov - Nuclear Man, the Fighter (ATOMIC RUNNER CHELNOV 戦う人間発電所, Atomic Runner Chelnov - Tatakau N ...   more on Wikipedia
Steel Empire

Steel Empire

1992  Shooter - Sego MegaDrive Nintendo 3DS GBA
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Steel Empire - Wikipedia Steel Empire (originally released as Koutetsu Teikoku (鋼鉄帝国?) in Japan, and otherwise known in various English materials as The Steel Empire or Empire of Steel) is a side-scrolling shoot 'em up video game released on the Sega Gene ...   more on Wikipedia
Verytex

Verytex

1991  Shooter - Sego MegaDrive
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Verytex - Wikipedia Verytex is a vertical scrolling shooting game for Sega's Mega Drive console. Players controlled the Verytex, a futuristic spaceship, on its journey to protect mankind from waves of enemies in six different levels. ...   more on Wikipedia
Zero Wing

Zero Wing

1989  Shooter - Sego MegaDrive - Single player  
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Zero Wing - Wikipedia Zero Wing (ゼロウィング, Zero Uingu?) is a 1989 side-scrolling shoot 'em up arcade game developed by Toaplan and published by Taito. The player is a lone hero who will save the universe from an evil force. ...   more on Wikipedia