emulator: UXN
type: game
source: "https://github.com/libretro/uxn"
profiled_date: "2026-03-18"
core_version: "0.0.0"
display_name: "Uxn / Varvara (zuxn)"
cores: [uxn]
systems: []
files: []
notes: >
  Libretro port of the Varvara/UXN stack machine designed by Hundred Rabbits.
  UXN is a portable 8-bit virtual computer with 64KB of memory and a
  minimal instruction set. Loads .rom files compiled from Uxntal assembly.
  The VM is entirely software-defined with no firmware or BIOS dependencies.
  No system directory files required.