YEah it needs at least some cheat maybe. Heres some cheats:
idchoppers: Gives you a chainsaw. Could be useful w/out killing fun.
iddqd: God Mode. Could possibly kill fun.
idkfa: Gives all the Keys Weapons and Ammo. Could possibly kill fun.
idfa: Gives all the weapons and ammo. Less chance of killing fun.
idspispopd: Same as noclip in counterstrike. Walk through walls. DooM. Fun Killer.
idclip: Same. DooM2. Could mostlikely kill fun.
There are definitely more but i can't remember them.
All weapons, keys, ammo, and 200% armor-idkfa
Light amplification visor-idbeholdl
Walk through walls-idclip
Toggle full map; full map and objects; normal map-iddt
Display coordinates and heading-idmypos
Change music to indicated level-idmus <01-32>
(i play alot