Retro Porting Toolkit · Bring classic console games to modern hardware

SegaGenesisRecomp Gets Game #2: Sonic the Hedgehog 2

1379.tech · 1379.tech · 2026-05-21

Sonic 2 tests whether the Genesis framework can move beyond assumptions learned from its first Sonic game.

Sonic the Hedgehog 2 was SegaGenesisRecomp's second public game and its first serious test of generalization. Code that appeared reusable after Sonic 1 still contained assumptions about that specific binary, memory layout, and runtime behavior.

Correcting those assumptions is the real value of a second title. It pushes the framework toward describing the console rather than accidentally describing only its first showcase.

Read Matt's Sonic 2 article on 1379.tech →

Related: Sonic the Hedgehog 2 on Sega Genesis.

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