Doom 3 source code now available

After a few legal hiccups and intervention by code god John Carmack, the Doom 3 source code, aka id Tech 4, has been made available to all.

The download is available from GitHub right now, with the long-awaited words printed in back and white: “Permission to use, copy, modify and distribute this software for any purpose with or without free is hereby granted”.

Have at it.

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