PSP Recomp project runs God of War: Chains of Olympus and Ghost of Sparta in-browser via WebAssembly
A developer has released PSP Web Recomp, a tool that translates decompiled PSP game executables into C++ and compiles them to WebAssembly, pairing the output with a reimplemented PSP operating system and a WebGL2 graphics layer. Using disc images supplied by the user, it runs God of War: Chains of Olympus and Ghost of Sparta directly in Chrome and Firefox, including on phones with touch controls, at 60 frames per second and higher-than-native resolutions, though in-game movies are currently skipped.
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The approach avoids running a full PSP emulator in the browser, instead statically recompiling game code into native web technologies, which could allow smoother performance and broader device compatibility than traditional emulation. Because the project ships no game data and requires users to supply their own disc images, it sidesteps some distribution and copyright concerns while still demonstrating a path toward preserving and running older console titles on the open web.
- PSP Web Recomp translates PSP machine code into C++ and WebAssembly rather than emulating instruction-by-instruction.
- God of War: Chains of Olympus and Ghost of Sparta both run at 55-60fps in-browser, including on mobile with touch controls.
- Users must provide their own legally owned disc images; no game data is distributed with the tool.
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Published there as: “God of War on PSP, recompiled to WebAssembly and running in the browser”
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