Credits and licenses

This demo uses Freedoom because the original Doom game assets remain copyrighted and proprietary.

• Doom source code: © 1993–1996 id Software, Inc. GNU GPL version 2 or later.
• Gore Go port: Andre Renaud and contributors, based on doomgeneric. GNU GPL version 2 or later. This demo uses our fork. Download this build’s engine, Pipit, bridge and music-library source.
• Freedoom 0.13.0: © 2001–2024 Contributors to the Freedoom project. BSD 3-Clause licence and attribution.
• js-synthesizer 1.13.0: BSD 3-Clause.
• FluidSynth 2.4.6 for WebAssembly: LGPL 2.1. This library is loaded separately and can be replaced.
• TimGM6mb SoundFont 1.3, by Tim Brechbill: GPL version 2 and attribution.
• Pipit: Apache 2.0. Runtime build details and content hashes are in the manifest.
• Go runtime: BSD license.

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