New Content:New Sprites For Sonic.Peelout SFXs.S3 Dacs and new musics.A lot of fixes and New art!Errors:Bugged Title Screen.Some errors in Sonic Sprites.Graphic errors in SLZ.CREDITS:Project Leader: PeanutNoceda (me)Coding: PeanutNoceda, AleDrawer2008, Blue Gamer, EddyTF, Dawid, Carlos.Art: EddyTF, PeanutNoceda, AleDrawer2008.Music: JX, MainMemory (i get some songs for KEH source code), AleDrawer2008.Some Music Mixes: PeanutNoceda.Beta Testing: Blue Gamer, Cesar315, Pacca, AleDrawer2008.Special Thanks to: Haru, Millie, Clownacy, Devon, Joao, Flamewing, Mainmemory, Selbi, DeltaW, Inferno, Red2010, Vladikcomper, Speems and RetroKOH.And More!

Sonic 1 Pixel Perfect is a ROM hack of Sonic the Hedgehog for the Sega Mega Drive / Genesis by JcFerggy and NovaWizard. The hack features new extended layouts and art, custom loops and tubes, dynamic palettes for the acts, and a complete new Green Hill Zone layout (with edited boss) as of the first beta release.

A Sonic the hedgehog hack made by Scrap SorraStory:The evil Dr. Robotnik has been meddling with time itself! In order to stop him and prevent a bad future for South Island, Sonic must travel through time and stop the Doctor's evil schemes!Featuring 9 acts filled with exploration, platforming, and speed, take control of Sonic to put an end to Dr. Robotnik's plot!Credits:DeltaWooloo - Coding, Music, SFX portingProjectFM - CodingTheInvisibleSun - Coding, MusicDjohe - Help porting Sonic 2's ObjD9MrJoker27 Productions - MusicNaoto - CD extended camera guideKonrad - Mozzietron enemy ported to sonicInferno - Air Roll guideYami - After-image objectvladikcomper - Advanced error handlerFlamewing - Flamewing's DMA transferSonic CD, Knuckles' Chaotix: Various art, Ecco 1/Ecco 2: Text, various art.

Sonic The Hedgehog: The Lost Worlds is a hack of Sonic the Hedgehog 2 by ExecByte. This hack features all of the zones that were cut from Sonic 2 during development. Some zones have been ported from the Sonic 2 Simon Wai prototype and then finished up, and some have been created based on magazine pictures and information from interviews with people who worked on Sonic 2.

Sonic the Hedgehog refers to the Sonic the Hedgehog video game series released by Sega, and starring its eponymous mascot, the video game character Sonic the Hedgehog. The video game series is the primary product in a multimedia franchise, including products in a wide range of media.