Spider-Man and the X-Men in Arcade's Revenge is a video game first released for the Super Nintendo in 1992 by LJN. It was later released for the Sega Genesis/Mega Drive and Game Gear (under the Flying Edge brand) as well as the Game Boy. The game features Marvel Comics characters Spider-Man and the X-Men as they battle their captor, the villainous Arcade.

Mortal Kombat II Unlimited is a full scale hack of the Sega Genesis Mortal Kombat II game, Originally work on the hack ceased with version 07, but in 2011 version 1.0 was released which added many new graphical features.

• Added a combo system;
• Secret fighters now fully playable;
• Bosses now fully playable;
• More new sounds;
• New Select Screen and Main Menu;
• New stages and music from Mortal Kombat 1;
• New moves such as Brutality;
• New Game Modes such as Practice and Endurance;
• Returned biographies/Endings/Intro/VS-screens from the arcade version;
• and many more…

Chuckles the Maniacally Laughing Hedgehog is a Sonic the Hedgehog Hack made by Unknown.

Rolo to the Rescue is a video game produced by Electronic Arts for the Sega Mega Drive/Genesis, released in 1992. The game is a two-dimensional action game with platforming elements, starring Rolo the elephant. Several other animal characters are playable once Rolo rescues them.

Sonic New Year is a hack of Sonic the Hedgehog, The creator is unknown.

Streets of Rage 2 hack created by gsaurus, creates a new "extreme" challenge for the seasoned SOR2 player. Features include:

- Heroes are faster and stronger, well balanced and with unique improved moves, including a different infinite combo for each character.
- Weapons are now more useful.
- Faster enemies and different enemy distribution through the levels. Less opportunities to cheat with enemy activations. There are a couple of interesting modifications such as a "bonus jet" on level 5.
- Shorter delay on hits
- No delay after punching, so the gameplay is more fluid (SOR3-like)
- Improved Skate running (pressing forward twice is more responsive, improved ability to restart running when turning around)
- Display number of K.O.s during gameplay
- New colours for enemies, players and some backgrounds
- BGM 1 and 9 are now used

Metal Sonic in Sonic the Hedgehog 2 is a hack of Sonic the Hedgehog 2 created by Darkon360/GothicReaper/LoneDevil. It stars Metal Sonic as the playable character instead of Sonic the Hedgehog. The hack comes with 3 different playstyles for Metal Sonic.

It's a Sonic the Hedgehog hack that includes Tails as a playable character, new/different layouts for every stage, different music ported from other Sega games, double boss fights in some zones and new moves!

Dark Sound The Hedgehog is a hack of Sonic the Hedgehog by KameKAgZZe.

Metal the Hedgehog is a hack of Sonic the Hedgehog where Sonic and Tails are replaced by Metal Sonic and Charmy Bee. Made by Kampfer.

Thomas the Tank Engine was a Sega Genesis/Mega Drive video game developed by Malibu Interactive and THQ Software in 1993. Players could pick between five engines: Thomas, James, Percy, Toby, and Duck. They could also colour in the engines and give the engineer a name. It had three different skill levels for three levels; Game, Race, and Explore. The game was narrated by American Software Programmer Craig Ewert.

A Streets of Rage 3 hack made by gsaurus let you play be able to play with Ash and Shive.

Sonic the Hedgehog Brother Trouble is a hack of Sonic the Hedgehog for the Sega Mega Drive featuring Sonic the Hedgehog and Manic the Hedgehog made by MarkeyJester. The hack is notable for its overworld system, new level layouts and graphics and custom boss.

A Hack based on Sonic the Hedgehog made by Pacguy.

Project Shadow 2 is a hack of Sonic the Hedgehog 2 for the Sega Mega Drive/Genesis by JohnnyUK. The "2" in its title does not signify that this is a sequel of another hack, but instead simply signifies that it is a Sonic 2 hack.

Shadow in sonic 1

Sonic Rocket

Sonic Damacy

Robotnik's Revenge is a hack of Sonic the Hedgehog 2 by ColinC10. It is a "boss rush" hack, in which all seventeen bosses from Sonic the Hedgehog and Sonic the Hedgehog 2 are fought in a somewhat arbitrary order over the course of a single level. The game takes place in Death Egg Zone from Sonic 2, and is meant to imply that there is more to the ship than there is in the original game.

Sonic 2: Painto Edition is a hack made by Painto Team for Sonic the Hedgehog 2 as a part of Sonic Hacking Contest.