Alien Syndrome is a run-and-gun action game developed by Sega for the Master System, released in 1988. It is a port of the 1987 arcade game of the same name. The game is set in a sci-fi world where players control a soldier, battling through waves of alien creatures to rescue hostages and defeat the alien queen. Alien Syndrome is known for its fast-paced action, challenging difficulty, and its cooperative multiplayer mode. It is one of the classic shoot 'em up games on the Sega Master System.
Players control a soldier, moving through a series of rooms, shooting at waves of alien enemies. The game features a "power-up" system, where collecting items enhances the player's weapons and abilities. The game's objective is to rescue hostages and defeat the boss at the end of each level. The game also features a "bomb" system, where players can deploy a powerful screen-clearing attack. The game's difficulty is high, with fast-moving enemies and complex bullet patterns.
The game includes a two-player cooperative mode, where both players can play simultaneously, adding to the fun and challenge. The game's controls are responsive, with a focus on quick reflexes and accurate shooting. The game's presentation is colorful and detailed, with large, expressive character sprites and vibrant, sci-fi backgrounds. The soundtrack features high-energy electronic and rock music that matches the intense action. The game also features a "continue" system, allowing players to continue from the last level they reached.
Alien Syndrome is considered a classic shoot 'em up and one of the best arcade conversions on the Sega Master System. It is praised for its fast-paced action, cooperative multiplayer, and faithful adaptation of the arcade original. The game is often compared to other top-down shooters of the era, and it is remembered as a standout title on the Master System. Alien Syndrome holds a nostalgic place for fans of the Sega Master System and arcade action games.