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From Sonic Retro

Editing Aquatic Ruin Zone.

The Sonic Level Editor (SLEEP) is a hacking program created by Tristan Penman that can edit levels in Sonic 2 savestates and the Sonic 2 Beta ROM. It requires special tilesets to work.

Downloads

Download S.L.E.E.P. File: SLEEP v1.05.7z (43KB) (info) Current version: 1.05

Prior Versions

• SLEEP v.1.0 ^(info) (24KB)
• SLEEP v.1.0 (Source Code) ^(info) (13KB)

Tilesets

Sonic 2 Final

• Aquatic Ruin Zone ^(info) (708KB)
• Emerald Hill Zone ^(info) (555KB)
• Metropolis Zone ^(info) (449KB)
• Chemical Plant Zone/Death Egg Zone ^(info) (376KB)

Sonic 2 Beta

• Green Hill Zone ^(info) (541KB)
• Metropolis Zone ^(info) (414KB)
• Dust Hill Zone ^(info) (576KB)
• Neo Green Hill Zone ^(info) (834KB)
• Hidden Palace Zone ^(info) (392KB)
• Casino Night Zone ^(info) (276KB)
• Oil Ocean Zone ^(info) (421KB)
• Hill Top Zone ^(info) (542KB)
• Wood Zone ^(info) (467KB)
• Chemical Plant Zone ^(info) (379KB)