Stargate

Platforms: Apple II, Arcade, Atari 2600, IBM PC/Compatibles
Unreleased Platforms: Atari 5200
Platform: Apple II
Display Type: Color
Stargate for Apple II - Title screen. Stargate for Apple II - Stargate enemies. Stargate for Apple II - Demonstration mode. Stargate for Apple II - Game start. Stargate for Apple II - Firing at enemies... Stargate for Apple II - That square will transport you to another part of the playfield. Stargate for Apple II - Level completed! Stargate for Apple II - I've been destroyed! Stargate for Apple II - Enemies become more aggressive and more numerous as the game progresses. Stargate for Apple II - Game over. Stargate for Apple II - A new high score! Stargate for Apple II - High score.
Platform: Arcade
Stargate for Arcade - Title screen. Stargate for Arcade - Attract mode; Some of the game secrets. Stargate for Arcade - Attract mode; the enemies you'll encounter. Stargate for Arcade - I credit inserted; select game options... Stargate for Arcade - Game start. Stargate for Arcade - You can fly towards the left or right... Stargate for Arcade - Stargate features several new types of alien invaders... Stargate for Arcade - Attack wave 1 completed! Stargate for Arcade - Those squares are the stargate... Stargate for Arcade - Crash! I've been hit! Stargate for Arcade - Destroy the landers before they capture humanoids... Stargate for Arcade - Uh oh, I'm surrounded! Stargate for Arcade - Game over. Stargate for Arcade - A new high score! Stargate for Arcade - The default high score table. Stargate for Arcade - Game diagnostic mode; game settings can also be adjusted here.
Platform: Atari 2600
Stargate for Atari 2600 - Title screen (as Stargate). Stargate for Atari 2600 - Title screen (as Defender II). Stargate for Atari 2600 - Game start. Stargate for Atari 2600 - A humanoid has been capture, shoot the lander to save it! Stargate for Atari 2600 - Attempting to blast the lander... Stargate for Atari 2600 - Wave 1 completed. Stargate for Atari 2600 - Watch out, don't crash into the mutants! Stargate for Atari 2600 - More types of enemies appear as the game progresses... Stargate for Atari 2600 - Crash, I was hit! Stargate for Atari 2600 - Game over.
Platform: IBM PC/Compatibles
Display Type: CGA with RGB monitor
Stargate for IBM PC/Compatibles - Title screen. Stargate for IBM PC/Compatibles - Menu and game options. Stargate for IBM PC/Compatibles - Some secret tips! Stargate for IBM PC/Compatibles - Gameplay; watch out for the assorted enemies! Stargate for IBM PC/Compatibles - That box will instantly warp your ship to another area. Stargate for IBM PC/Compatibles - Destroying enemies... Stargate for IBM PC/Compatibles - My ship has exploded... Stargate for IBM PC/Compatibles - Saving the humans... Stargate for IBM PC/Compatibles - Game over. Stargate for IBM PC/Compatibles - Game over, but a new high score!