Starship Annihilator sets its conflict against a cosmic disaster: in the year 3521, the Milky Way and Andromeda collide sooner than scientists predicted, casting the solar system out of its galaxy and into the black hole created by the collision. That apocalyptic premise frames a deliberately classic form of action rather than a sprawling space simulation.
The game is a vertical scrolling shooter built around ten levels, each bringing different enemies and danger ranging from mild to extreme, alongside ten bosses. Power-ups let players modify their weapons, giving combat a concrete layer of customization within the straightforward shoot-'em-up format. Its retro style looks back to the 1990s, while the store description also highlights hardcore, time-killing gameplay. Achievements, trading cards and partial controller support are listed among its features and categories.
For prospective players, the more defining context is the combination of escalating enemy encounters, boss fights and weapon power-ups, all presented within a classic vertical-shooter structure.