Earthworm Jim 21997

Earthworm Jim 2 (蚯蚓吉姆2) is an unlicensed port of the game of the same name, made for the Famicom by a team of (or at least related to) Ex-Sachen developers and published by Ka Sheng in 1996.

Homebrew version of Mega Man 2 for TurboGrafx 16/PC Engine

Released on Super Nintendo Entertainment System, by Infidelity.

Unofficial homebrew port of Mega Man X for the Sega Genesis/Mega Drive.

Super Contra X is a pirate based off the Contra series, created by Chengdu Tai Jing Da Dong Computer Co sometime in the 1990's (likely in 1994).

This is port of amazing PC game Portal for PlayStation Portable on Kurok Engine.

Released on Super Nintendo Entertainment System, by Infidelity.

Released in 1999 on Game Boy, by Makon Soft.