1. make a folder called insane doom3 1.2 and dump the pk4 in there
2. go into the mods menu and select insane doom31.2
3. bring down the console with alt, control and tilde.
4. type map "insanedoom3"
5. Have FUN (when i get RoE iThis is the version you've all been waiting for, it has the map in it (only 3 rooms and you still have to use cheats)