Press ~ to display the console, then type "map [level code]" using the following information to skip to the corresponding level:

Name	Level code
Outer Base	base1.bsp
Installation	base2.bsp
Comm Center	base3.bsp
Lost Station	train.bsp
Ammo Depot	bunk1.bsp
Supply Station	ware1.bsp
Warehouse	ware2.bsp
Main Gate	jail1.bsp
Destination Center	jail2.bsp
Security Complex	jail3.bsp
Torture Chambers	jail4.bsp
Guard House	jail5.asp
Grid Control	security.bsp
Mine Entrance	mintro.asp
Upper Mines	mine1.bsp
Borehole	mine2.bsp
Drilling Area	mine3.bsp
Lower Mines	mine4.bsp
Receiving Center	fact1.bsp
Sudden Death	fact3.bsp
Processing Plant	fact2.bsp
Power Plant	power1.bsp
The Reactor	power2.bsp
Cooling Facility	cool1.bsp
Toxic Waste Dump	waste1.bsp
Pumping Station 1	waste2.bsp
Pumping Station 2	waste3.bsp
Big Gun	biggun.bsp
Outer Hangar	hangar1.bsp
Comm Satelite	space.bsp
Research Lab	lab.bsp
Inner Hangar	hangar2.bsp
Launch Command	command.bsp
Outlands	strike.bsp
Outer Courts	city1.bsp
Lower Palace	city2.bsp
Upper Palace	city3.bsp
Inner Chamber	boss1.bsp
Final Showdown	boss2.bsp