PM-1 Inverse Universe is a top-down 2D action game in science fiction genre. The player's role is to assist the allied alien race in liberating our solar system. The player collects experience points and material points, which he gains by destroying enemy units and asteroids in the solar system, and subsequently upgrades the spaceship and uses special weapons. By combining his abilities and the options offered, the player moves further in the game. Levels are designed and processed according to a story that is written and narrated between levels.
Top-down shooters essentially exists but not in black and white as Limbo or another monochromatic games. It will be the first 2D sci fi shooter with such a monochrome graphic design, a partial open world and a simple narrative story.