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Cemu 1.18.2


Cemu is a Highly experimental software to emulate Wii U applications on PC.


  • Can run encrypted Wii U images (WUD) and RPX/RPL files
  • Internal resolution is 1920x1080 (if supported by game)
  • Contains basically no optimizations. Expect slow framerates and long load times.
  • Windows 7 or above (x64) (other platforms may be supported later)
  • Requires OpenGL 4.0
  • Tested on NVIDIA and AMD: Runs fine on most recent driver
  • Tested on Intel: Garbled output but runs if OpenGL version is supported


Cemu detailed changelog for 1.18.2


New in 1.18.2c:

  • Vulkan: Fixed a bug in the new cache which could lead to Cemu freezing or crashing randomly

New in 1.18.2b:


  • Vulkan: The SPIR-V optimization pass is now always enabled (no longer considered experimental)
  • Vulkan: Added SPIR-V cache to speed up shader loading screen on subsequent runs
  • Vulkan: Fixed an issue where the wrong image layout (LAYOUT_UNDEFINED) would be provided for operations on 3D textures
    • On strict or optimized drivers this could lead to texture data being thrown away (as far as we know, only Nvidia 445.75+ drivers are affected)

New in 1.18.2:


  • general: When updating graphic packs Cemu will let the user know if previously enabled graphic packs were removed or renamed
  • general: Improved robustness of account.dat parser (invalid files could crash Cemu on launch)
  • general: Updated language files
  • coreinit: Added API MEMFreeToFrmHeap (#322)
    • Used by Marvel Avengers: Battle for Earth (but other issues still prevent it from running)
  • nn_nfp: Changed behavior of GetNfpRegisterInfo for unregistered Amiibos
    • Games that expect Amiibos with a registered owner no longer should display an empty ErrEula message box
  • nn_nfp: Implemented API GetErrorCode and NFCGetTagInfo
  • Vulkan: Correctly emulate depth clamping
    • This fixes the overly bright backgrounds in some stages of Super Smash Bros for Wii U
  • Vulkan: Added an overlay notification for when a Vulkan graphics pipeline has to be compiled
  • Vulkan: Added experimental SPIR-V optimization pass which is applied to all shaders that are compiled during the shader loading screen
    • This should reduce pipeline compilation stutter if a shader cache is present. It may also reduce GPU load slightly
    • The downside is that the shader loading screen is much slower. But we plan to address this in a future Cemu update
    • By default this option is disabled. It can be enabled under Debug -> Experimental
    • Also note that this option results in different shaders being generated and consequently triggers new pipeline compilation
  • input: Remember ip and port for DSU client







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