RSDKv4 is a complete, open-source standalone decompilation of the 2013 mobile remasters of Sonic the Hedgehog 1 and Sonic the Hedgehog 2 running on the Retro Engine v4.
Features:
- Native execution on modern 64-bit operating systems without mobile emulation
- True 16:9 widescreen rendering with smooth 60 FPS side-scrolling action
- Restored cut content, hidden zones (such as Hidden Palace Zone), and debug modes
- Playable characters include Sonic, Tails, and Knuckles with unique movesets
- Full modern USB gamepad support and customizable keybindings
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