

Sonic 1 Co-op is a ROM hack of the original 1991 game for the Sega Genesis. This modification completely overhauls the base engine to support local, split-screen cooperative gameplay, allowing a second player to join as either Tails or a duplicate Sonic.

Released on Sega Mega Drive/Genesis, by Jdpense.

Sonic Sunventure is a ROM hack of the original Sonic the Hedgehog (1991) for the Sega Genesis. It features redesigned levels, new mechanics, custom music, and updated visuals with a time travel theme.

Released on Sega Mega Drive/Genesis, by TomatoWave_0.

Sonic ERaZor is a hack of Sonic the Hedgehog created by Selbi. This hack is unlike many other hacks, featuring a heavy in-game story line, unique challenges, and never seen before gameplay mechanics. These elements are often somehow related to explosions, which is why this hack is sometimes called, "What if Michael Bay directed Sonic 1?"

Super Mario World (超級馬里奧世界) is a bootleg port of the SNES launch title of the same name (Super Mario World) developed by Hummer Team and released in 1995. This is one of the more well-known examples of bootleg ports to the Famicom, as it comparatively manages to retain most of the original SNES game's elements.

New Super Mario Land is a recreation of Super Mario Land (Game Boy) using New Super Mario Bros. (Nintendo DS) assets and released for the SNES, with pseudo-3D graphics and a new co-op multiplayer mode.

Platform / Hack and slash/Beat 'em up / Action
Aladdin is a port of the SNES version of the game of the same name, made by Hummer Team in 1995. The game is one of the more well known pirate ports and is commonly found on multicarts (in its MMC3 hacked form).

Sonic the Hedgehog (also know as Sonic 4) is an unlicensed game for the SNES by Peruvian scene organization Twin Eagles Group. It is, actually, a hack of Speedy Gonzales: Los Gatos Bandidos. Notable features include Sonic's new ability to kick, and missions to free Mario from cages (upon which the latter exclaims his name).