Zero Wing is a side-scrolling shoot 'em up arcade game, notable for a poorly translated English version for Sega Mega Drive (Genesis) that spawned the "All your base are belong to us" Internet meme. Gameplay includes novel features such as being able to 'tractor' enemy ships, using them to shield your own.

Set in 2101, the game follows the signing of a peace treaty between the United Nations and CATS, an alien cyborg. However, CATS breaks the covenant and takes control of the Japanese space colonies. The protagonist Trent leads a ZIG space craft, which had managed to escape from the mothership destroyed by CATS, with the aim to defeat enemy forces, avenge the mothership and its crew and liberate the Earth.