Platypus is a horizontal scrolling shooter game created and designed by Anthony Flack, produced by George Bray, and programmed by Michael W. Boeh.

The objective is to guide an antique spacecraft by utilizing the mouse in order to avoid and attempt to shoot enemies.

The player can collect power-ups that affect the type and firing rate of the ship's weapons, equip auxiliary cannons, or double the point values of all enemies and items.

In addition, at the end of each area, the player receives bonus points depending on the percentage of primary targets and enemy craft destroyed.

The music in Platypus on all platforms (except for the iPhone port) consists of various remixes of Commodore 64 game tunes by various composers, and created by several artists.