The following Hacks have been submitted and approved to the database (in submitted order oldest to newest):
•Sonic The Hedgehog 2 - MTAM The Perfect Existance (Improvement)(Sonic the Hedgehog 2)(GEN)
•Sonic The Hedgehog 2 - Adcanced Edit 2 (Improvement)(Sonic the Hedgehog 2)(GEN)
•Sonic The Hedgehog 2 - Tohaka Version (Improvement)(Sonic the Hedgehog 2)(GEN)
•Sonic The Hedgehog - South Island Adventure (Improvement)(Sonic the Hedgehog)(GEN)
•Sonic Gaiden (Improvement)(Sonic the Hedgehog)(GEN)
•Streets Of Rage - Killer Difficulty (Improvement)(Streets of Rage)(GEN)
•Streets Of Rage 2 - KIND Viewer (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Extreme Alliance (Improvement)(Streets of Rage 2)(GEN)
•Streets of Rage 3 - Ash Patch (Improvement)(Streets of Rage 3)(GEN)
•Streets Of Rage 2 - Extreme Edition (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 3 - Special Edition (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 Project (Improvement)(Bare Knuckle III)(GEN)
•Bare Knuckle III - Break, Shiva, & Ash Editio (Improvement)(Bare Knuckle III)(GEN)
•Bare Kunkcle III - Ivex Patch (Improvement)(Bare Knuckle III)(GEN)
•Bare Knuckle III - Elle Hack (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 - Android Lightning XIII (Improvement)(Bare Knuckle III)(GEN)
•Bare Knuckle III - Unused Audio Patch (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 - Shiva / Ash Hack (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 - Cheat Menu Patch (Improvement)(Bare Knuckle III)(GEN)
•Bare Knuckle III - Directors Cut (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 - Sonic Hack (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 - Lightning XIII Hack (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 3 - Ruby Android Hack (Improvement)(Bare Knuckle III)(GEN)
•Bare Knuckles III - Character Hack (Improvement)(Bare Knuckle III)(GEN)
•Streets Of Rage 2 - Shiva Patch (Improvement)(Streets of Rage 2)(GEN)
•Street Fighter 2 Of Rage (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Multiple Enemies!! (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Sketch Turner (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Megaman Edition (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Androind Lightning FF XIII (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Kurenai (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Cody (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Shinobi (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Lightning FF XIII Patch (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Blaze & Ruby TX Edition (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - DC Comics Heroes Edition (Improvement)(Streets of Rage 2)(GEN)
•Streets Of Rage 2 - Extreme Punishment Edition (Improvement)(Streets of Rage 2)(GEN)
•Goldeneye Multiplayer Level - Peach’s Castle (Improvement)(GoldenEye 007)(N64)
•Goldeneye - Kakariko Village Multiplayer Map (Improvement)(GoldenEye 007)(N64)
•Perfect Dark - MultiPlayer Level Kakariko Village (Improvement)(Perfect Dark)(N64)
•Goldeneye 007 - Solo Lvl - Infiltration (Improvement)(GoldenEye 007)(N64)
•Goldeneye 007 - Solo Lvl - Sahara Prison (Improvement)(GoldenEye 007)(N64)
•Goldeneye 007 - Solo Lvl - Base (Improvement)(GoldenEye 007)(N64)
•Ike Ike! Nekketsu Hockey Bu Super hack (Complete)(Ike Ike! Nekketsu Hockey-bu: Subette Koronde Dairantou)(NES)
•New Clu Clu Land (FDS-hack) (Improvement)(Clu Clu Land: Welcome to New Clu Clu Land)(FDS)
•Dr. Lip (Complete)(Dr. Mario)(NES)
•Selectable Eyedol (Improvement)(Killer Instinct)(SNES)
•Ninja Gaiden evil edition (Complete)(Ninja Gaiden)(NES)


Relevant Link: (http://www.romhacking.net/hacks/)