[seganet] Sonic Eraser (japan) (sega)

Sonic Classics (usa, Europe) (v1.1) (sega)

Sonic Compilation (europe) (sega)

Sonic Crackers (japan) (proto) (sega)

Sonic Eraser (japan) (seganet) [en By D V1.0] (sega)

Sonic The Hedgehog (usa, Europe) [hack By Carretero V2.0] (~sonic - Return To The Origin) (backward (sega)

Sonic The Hedgehog (usa, Europe) [hack By D.a.garden V1.0] (~sonic The Hedgehog - Westside Island) S (sega)

Sonic The Hedgehog (usa, Europe) [hack By Hivebrain V0.20] (~sonic The Hedgehog Plus) (sega)

Sonic The Hedgehog (usa, Europe) [hack By Jcferggy V20080831] (~sonic - Pixel Perfect) (sega)

Sonic The Hedgehog (usa, Europe) [hack By Lost V1.0] (sonic Jam's Easy Mode) (sega)

Sonic The Hedgehog (usa, Europe) [hack By Puto V1.1] (~sonic Remastered) (sega)

Sonic The Hedgehog (usa, Europe) [hack By Stealth Rev 1] (~knuckles The Echidna In Sonic The Hedgeho (sega)

Sonic The Hedgehog (usa, Europe) [hack By Team Lost Land V4.0] (~sonic - The Lost Land) (sega)

Sonic The Hedgehog (usa, Europe) [hack By Team Megamix V3.0] (~sonic - Mega Mix) (sega)

Sonic The Hedgehog 2 (world) (beta) (sega)

Sonic The Hedgehog 2 (world) (beta) (simon Wai) [hack By Esrael V0.23] (~sonic 2 Delta) (sega)

Sonic The Hedgehog 2 (world) (beta) [hack By Esrael V0.03] (~sonic 2 Delta 0) (sega)

Sonic The Hedgehog 2 (world) (rev A) [hack By Colinc10 V1.0] (~robotnik's Revenge) (boss Mode) (sega)

Sonic The Hedgehog 2 (world) (rev A) [hack By Esrael V01.0a] (~sonic 2 Delta Ii) (sega)

Sonic The Hedgehog 2 (world) (rev A) [hack By Hachelle-bee V1.81] (long Version) (sega)

Sonic The Hedgehog 2 (world) (rev A) [hack By Smtp V0.50] (~sonic 2 Smtp) (sega)

Sonic The Hedgehog 2 (world) (rev A) [hack By Team Lost Land V2.0] (~sonic - The Lost Land 2) (sega)

Sonic The Hedgehog 2 (world) (rev A) [hack By Ultima V0.21] (~tohaka) (sega)

Sonic Spinball (beta) (sega)