This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Under the Surface of Classic Sonic
classicsoniccode.bsky.social
did:plc:anvxqgpcpuzyxypjcqu3mj52
A few ways to play and see it:
1. Modify the disc image to set the byte at 0x2A75353 from 1 to 0 (712 prototype only)
2. Modify RAM in an emulator to set address 0xFF1581 to 0 (works in final)
3. Use PAR code FF1581:00 or Game Genie code AAL9-8AEB in an emulator (works in final)
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2026-02-18T01:22:46.451Z