You can just move OpenJK's exe somewhere else, and then make a .bat for it which has something to this effect: openjk.x86.exe +set fs_basepath "<Path to JKA Installation gamedata folder>" +set fs_cdpath "<Path where openjk.x86.exe is. The last folder so for e.g. C:\OJK\Gamedata>"It will load PK3s from your JKA installation without you having to move them, and the PK3s in your new side area will get loaded as well (overwriting the base game assets) You can also set fs_game, and it will load them in this order: base openjk base fs_game openjk fs_game You can just move OpenJK's exe somewhere else, and then make a .bat for it which has something to this effect: openjk.x86.exe +set fs_basepath "<Path to JKA Installation gamedata folder>" +set fs_cdpath "<Path where openjk.x86.exe is. The last folder so for e.g. C:\OJK\Gamedata>"It will load PK3s from your JKA installation without you having to move them, and the PK3s in your new side area will get loaded as well (overwriting the base game assets) You can also set fs_game, and it will load them in this order: base openjk base fs_game openjk fs_game