Zool: Ninja of the Nth Dimension is a platform game written for the Amiga by Gremlin Graphics and published in 1992. It was marketed as a rival to Nintendo's Super Mario and Sega's Sonic the Hedgehog. Zool was ported to other platforms and followed by Zool 2 in 1993.

Switchblade II is a 1991 side-scrolling action-platform run and gun video game originally developed and published by Gremlin Graphics in Europe for the Amiga home computers. It is the sequel to the original Switchblade, which was solely created by Simon Phipps at Core Design and released earlier in 1989 across multiple platforms. Despite being primarily developed in the UK, its graphics had a distinctly Japanese style similar to anime or manga.