Independent game engine
OpenPrototype
Category: Games & game engines · Type: Reconstruction
Target: Prototype (1995, DOS) · Rust
An open-source from-scratch Rust port of NEO Software’s 1995 DOS shoot-’em-up Prototype, reverse-engineered from shipped game files with format notes from the original programmer.
Relationship
Independent reimplementation
Evidence scope
The upstream README describes a from-scratch Rust port built by reverse engineering the shipped game files, playable start-to-finish from the user’s disc image. No REA involvement is claimed.
Know before you try
Requires a lawful Prototype disc image (~cue). Install script may offer an Internet Archive download—users must ensure they have rights. Smaller community; last upstream push mid-2026. macOS builds unsigned (Gatekeeper). We have not independently tested it.
Status
Playable alpha; all seven levels per author
License
GPL-3.0
GPL-3.0 for OpenPrototype code; original Prototype assets remain with their owners.
Source checked