Doom Engine (Id Tech 1) vs Quake 3 Engine (Id Tech 3)
Arachnotron for Quake 3: https://ioquake3.org/files/models2/q3...
Catharsi for Doom (Klesk): http://realm667.com/index.php/en/comp...
Empathy mod (play as monster): http://www.mediafire.com/?j4nwynmd2om
or: https://www.4shared.com/file/TLVQjv6c...