Cheat mode:
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Result - Code:

Medium laser - ratsnest
Heavy laser - dingleberry
Rapid laser - blipplebloops
LIB pack - bcua
LB pack - cgq
18 item pack - gfy
Rd missiles - kwahamot
IR missiles - fishheads
Hrpd laser - bumsauce
Napalm - napalminthemorning
Mortar - eatmyshorts
H plas - kicksomebutt
Kill everything - pyrotek
Nova - tinkerbell
Nuclear weapon - chernobyl
30 mm gun - hardcode
50 mm gun - curvedlines
70 mm gun - bigones
120 mm gun - dogan
210 mm gun - fnord
Mine - stool
R mine - numberchanger
Teleport away from fire zone - teleport
Successfully end mission - imouttahere
Full ammunition - lockandload
New visual effects - cleese
Change textures of every bot - monkeyslunch
Exit game - storm
Destroy targeted item - smite
Friendly planet runners - capone
Shiva planet runner - henchman
Eject from runner - ragnarok
Friendly flyers - rodrigo
Speed - gonzales