Super Mario Bros. Enhanced2015

Mario gets invited to explore a haunted manor in this unconventionally-structured major hack. Solve puzzles, collect keys, and fight enemies to uncover the mystery of the manor.

This is the sequel to the "Second Reality Project", which is something different from the first part. This game features new GFX, some new custom blocks and custom sprites, a new overworld map and different music. The game contains a lot of ripped GFX from other games like "Super Mario Land 2 & 3", "Sonic 1 & 2", "Alfred Chicken" and much more.

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.

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.

Mario's New Earth is a ROM hack/mod of Super Mario 64 created by PixelSM64, with 125 Stars.

A rom hack with just 1 level made for SMW Central's Chocolate Level Design 2010 contest.

SM64: Through the Ages is a ROM hack/mod of Super Mario 64 developed by Kaze Emanuar. It was made using the Super Mario 64 Decompilation Project. In this game, Mario travels through stages inspired by historical locations or periods. Also, Mario can now be accompanied by different Pokémon, each one with a different special ability.

Mario 3 Oasis is a medium-difficulty, non-kaizo hack, great for streaming and speedrunning.