Alien Syndrome is a classic 8-bit action-adventure game for the Sega Master System, where the player must rescue hostages from a spaceship filled with dangerous aliens. The game combines strategy, exploration, and shooting in fast-paced levels where time is critical. Players navigate through labyrinths, fight enemies, and search for keys to save the hostages and escape before time runs out.

A thrilling retro game that still appeals to collectors and fans of classic SEGA experiences.