Sonic Jam 6 is a version of Super Mario Bros. 2 (the bootleg version) featuring Sonic instead of Mario. This version replaces the title screen with ported version of Sonic Jam's and includes a screenshot of the Sega Mega Drive version of Sonic 3D Blast's intro to overlap Mario's face on the level intro/status screen. However, his face wasn't removed in the bonus areas.
A bootleg version of a NES game Code Name: Viper.
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.
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).
Platform / Adventure / Action / Fantasy
This is a complete hack of Super Mario World. Don't expect any new graphics here; this game is all about the level design. All the levels and worlds are new, and some of the worlds have themes not present in the original game, such as a water world and an ice world.
Super Mario Star Road is a rom hack of Super Mario 64 and can be considered a sequel to that very game. It contains over 120 stars, more than 30 new areas, nearly 50 new tunes, and many other new features.
Mario's New Earth is a ROM hack/mod of Super Mario 64 created by PixelSM64, with 125 Stars.
Sunshine Secret Book 64 is a ROM hack released on December 2, 2019 by Dan-GPTV. The hack has 40 Shine Sprites to collect, and they are spread across 5 main levels and 3 secret levels. This hack has multiple custom objects in it.
A Banjo-Kazooie ROM hack which puts Banjo and Kazooie in Clock Town from The Legend of Zelda: Majora's Mask.