Yoshi Deja Vu DS2020

Yoshi's Island: Kamek's Revenge, commonly referred to as Kamek's Revenge or YIKR, is a Yoshi's Island hack by S.N.N. The original version was released on September 29, 2007. It was inspired by the bonus level 5 of the same name from the original game. In late 2016 BTD6_maker took over the project, releasing version 2.0 with a completed Extra 5 and various other fixes in March of 2017. The most recent release of Kamek's Revenge was on February 06, 2018.

Super Mario World Redone is a hack that aims to create much nicer visuals for the original Super Mario World, while adding some new features, secrets and an all new encore mode! The game also includes new custom music and lots of bugfixes for the original game. As a bonus, there are four new levels for you to find, and they are very well hidden! Can you find them?

SMW2+2 is a ROM hack of Super Mario World 2: Yoshi's Island, which builds a whole new game using the engine of the original game. The stork was peacefully on his way to deliver future heroes Baby Mario and Luigi to their parents, when all of a sudden, Kamek appeared in the skies. He quickly attempted to snatch the babies from the stork, only managing take Baby Luigi, while Baby Mario fell to the ocean. Luckily, he lands on Yoshi’s Island. The Yoshies gather and ponder how to remedy the situation. The Yoshies decide to carry along Baby Mario, and call upon the Chosen One to face Kamek. The Yoshies don’t know the exact identity of the Chosen One, but know that he always watches over and protects the Yoshies, and has an immense amount of power. Why has Kamek kidnapped these babies? And just who is this mysterious Chosen One? You will find out when you play! What this hack features… 50 all-new levels of classic Yoshi’s Island design! Journey through 5 worlds to reunite Baby Mario with Baby Luigi. Now unlock an Extra and a Secret level by scoring 100% on each world! Enhanced Yoshi colors! Every Yoshi now has its own boot colors, as seen in the introduction scene. Plus, two new Yoshi colors, gray and black, for the Extra and Secret levels. Pit of 50 Trials, inspired by the Pit of 100 Trials in the Paper Mario series. How many floors can you beat? And what will you win? Custom level icons

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.

Sonic 1: South Island Definitive is a hack by RadiantNexus Team, which seeks to reimagine Sonic 1 by rearranging levels. remixing music, adding features from future games, and readding scrapped ideas in new and interesting ways. Major features: 3 acts of reimagined level design, including one act that has yet to be fully reimagined in any other hack. A miniboss. Massive art overhaul all over the place. Music made by ProjectFM and MechaKnuckles. Menus! A custom splash screen. There's been massive engine overhauls as well, including the Sonic 3 level layout format for massive levels, and the Sonic 3 object manager to go alongside this.

This is the long-awaited sequel to JUMP. Started as a smaller collab inspired by the VIPs, it quickly spiralled out of control and became a true sequel. JUMP½ features even more of the wacky design and creativity JUMP is known for, on top of several new features and a significantly less brutal difficulty curve. Jump's storehouses and dragon coin reward system return, along with the level info menu, hint movies, and a retry system for the hardest levels. This hack also boasts a brand new ASM-heavy boss or two, new unlockable items, plenty of hidden puzzles and 3-UP moons, saving at any time on the overworld, and a few other neat features.