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ScePSX
What it is
ScePSX is a free, MIT-licensed PlayStation 1 emulator written in C#. It supports Windows, Linux, macOS, and Android; Android requires version 5.0 or later, with 9.0 or later recommended. Players can save and load progress at any time, manage multiple save files, use cheat codes, search and edit memory, and play online multiplayer. Supported disc-image formats include .bin/.cue, .img/.cue, .iso, and .chd. The emulator offers D2D, D3D, OpenGL, and Vulkan renderers, with dynamic switching between them. Hardware backends support output up to 4K, while the software backend offers xBR and JINC upscaling. PGXP geometry enhancement works on software and hardware backends, and adjustments take effect without restarting. ReShade effects are supported on D3D, OpenGL, and Vulkan. Controllers are described as plug and play, and keyboard bindings can be customized. The emulator does not include BIOS files, so users need to supply one. Optional GameDB and ControllerDB downloads are listed.
For and against
For
- Runs on Windows, Linux, macOS, and Android.
- Supports four listed disc-image formats.
- Includes save states, cheats, and online multiplayer.
- Hardware backends support output up to 4K.
- Controllers are described as plug and play.
Against
- Users must provide a BIOS file.
- Android 9.0 or later is recommended.
- Save states in v0.2.0.1 are incompatible with older versions.
The verdict
ScePSX offers a broad set of emulator controls and graphics options across four listed platforms. Users will need to supply a BIOS file, and the v0.2.0.1 release notes warn that its save states do not work with older versions.
Who it suits
ScePSX may suit players looking for a PlayStation 1 emulator across desktop and Android platforms, with renderer choices and save-state tools. It also offers options for users interested in cheats, memory editing, and online multiplayer.
On the record
- BIOS requirement
- The emulator does not include BIOS files; users must provide one.github.com · read 3 Oct 2026
- Compatibility
- The README says the vast majority of mainstream PS1 games are playable and lists NTSC-J, NTSC-U, and PAL support.github.com · read 4 Oct 2026
- Controller support
- The README describes controllers as plug-and-play and says no additional setup is required.github.com · read 4 Oct 2026
- Controls
- Keyboard bindings can be customized in the File menu, and controllers are described as plug and play without extra setup.github.com · read 3 Oct 2026
- Download variants
- The README lists WinUI Lite, WinUI Full, AvaloniaUI, and Android downloads, plus optional GameDB and ControllerDB files.github.com · read 3 Oct 2026
- Game formats
- Listed supported disc image formats are .bin/.cue, .img/.cue, .iso, and .chd.github.com · read 4 Oct 2026
- Graphics
- It supports PGXP geometry enhancement and D2D, D3D, OpenGL, and Vulkan rendering backends.github.com · read 4 Oct 2026
- License
- The project identifies itself as MIT open source.github.com · read 4 Oct 2026
- Limits
- The emulator does not include BIOS files, which users must provide separately.github.com · read 4 Oct 2026
- Optional downloads
- GameDB is listed as an optional download for automatic game configuration, and ControllerDB as optional support for more controllers.github.com · read 4 Oct 2026
- Other features
- The emulator includes memory editing and search, cheat codes, online multiplayer, and multiple save-file management.github.com · read 4 Oct 2026
- Performance reference
- The README reports stable 60 FPS on an Intel Celeron 3215U under test conditions without GameDB, ReShade, or PGXP.github.com · read 3 Oct 2026
- PGXP
- PGXP geometry enhancement works on software and hardware backends, and adjustments take effect without restarting.github.com · read 3 Oct 2026
- Platform details
- The project lists Windows, Linux, macOS, and Android support; Android requires version 5.0 or later, with 9.0 or later recommended.github.com · read 3 Oct 2026
- Purpose
- ScePSX is a lightweight PlayStation 1 emulator written entirely in C#.github.com · read 3 Oct 2026
- Release compatibility
- The v0.2.0.1 release notes say that save states in that version are completely incompatible with older versions.github.com · read 3 Oct 2026
- ReShade
- ReShade post-processing is supported on D3D, OpenGL, and Vulkan; D3D requires manual ReShade installation.github.com · read 4 Oct 2026
- Resolution
- Hardware backends support up to 4K output; the software backend supports xBR and JINC upscaling.github.com · read 4 Oct 2026