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Hidden Treasures was a small late-1980s developer credited on only a handful of releases, and its DOS calling card is Revenge of Defender (1989), also known as StarRay or Star Moon. The game is a side-scrolling sci-fi shooter where you patrol a horizontal battlefield, blasting waves of aliens to keep your colonies intact. It stands out for multi-layer scrolling backdrops, distinct artwork and enemy sets across seven stages, and a brisk arcade feel that rewards sharp reactions and route planning. Fun PC trivia: the DOS version even uses different graphics modes on some machines to keep the action moving. On this page you can play Revenge of Defender online for free anytime you want a pure retro shooter fix.

Revenge of Defender is a classic side-scrolling shooter published by Epyx that blends frantic arcade reflexes with the thrill of protecting vulnerable colonies. You pilot a sleek fighter across layered alien horizons, hunting...