MobyGoal achieved! Thanks to all contributors who helped us reach 250 documented ZX81 Games.
Title screen: the Atari ST version is named "ST-Protector"
Level 1: one resident is attacked by an alien ship, I should engage immidiately
The mountains act as camouflage for the ship. Badly the alien ships still fire on me
Flying to the left
Level 2: a kidnapping is ongoing on a desert planet. Fire!
Entering the high-score table
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