level 1: system control
level 2: human bbq
level 3: power control
level 4: wormhole
level 5: hanger
level 6: open season
level 7: prison
level 8: metal
level 9: stronghold
level 10: redemption
level 11: storage facility
level 12: crater
level 13: nukage processing
level 14: steel works
level 15: dead zone
level 16: deepest reaches
level 17: processing area
level 18: mill
level 19: shipping/respawning
level 20: central processing
level 21: administration center
level 22: habitat
level 23: lunar mining project
level 24: quarry
level 25: baron's den
level 26: ballistyx
level 27: mount pain
level 28: heck
level 29: river styx
level 30: last call
level 31: pharaoh
level 32: caribbean