MicroW8

About this profile

Detail	Value
Type	libretro
Classification	Pure libretro
Source	https://github.com/libretro/uw8-libretro
Upstream	https://github.com/exoticorn/microw8
Version	0.2.2, stated in uw8.c
Revision	libretro/uw8-libretro@1a64f4bde966
Profiled	2026-03-25
Profile	YAML, JSON
Cores	uw8

Technical notes

WebAssembly-based fantasy console. 320x240 screen, 32-color palette, 256KB memory. The WASM runtime (platform + loader modules) is compiled to C via wasm2c and embedded in the binary. No external files required. The .info declares firmware_count=0.

No BIOS or firmware files required.

Next steps

• Get your files, for the setup you play on
• Every system, and the files each one needs
• When a game does not start

Data as of 4 November 2026.