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Under the Surface of Classic Sonic
classicsoniccode.bsky.social
did:plc:anvxqgpcpuzyxypjcqu3mj52
The special stages in Sonic CD were intended to have 1024px wide backgrounds instead of 512px wide backgrounds. There exist unused chunks that would've been placed after or inbetween the used ones.
For example, here's special stage 1's background and what it looks like extended.
2024-11-17T04:01:15.335Z