Available to play
gzdoom-sm64 — Mario in Doom
Replaces the Doom player with Super Mario 64's Mario inside the GZDoom engine.
What it does
A fork of GZDoom 3.2.0 that swaps the Doom player for a playable Super Mario 64 Mario driven by libsm64, moving with SM64's physics through Doom maps. The creator describes it as a work in progress and publishes a development build.
How it works
GZDoom fork embedding libsm64
Requirements & limitations
A Doom IWAD and the user's own Super Mario 64 (US) ROM.
Original sources
Evidence limits
The GitHub README, GPL-3.0 licence and release list (development pre-release v20221211 with release.7z) were reviewed on 2026-10-09. No independent catalogue play-test or binary safety review was performed.
Code and releases are linked, not hosted here. Game files and footage retain their owners’ rights.