During play type any of the following:
"MERCURY"--Constant flying ability
"PLUTO"--------Infinite ammunition
"JUPITER"------------Infinite time
"SATURN"--------------I don't know
"MARS"-------Access to all weapons
FROZEN WASTES--"MANTIDS" | DEAD CITY-----------"CICADAS"
WOOD WORLD----"PSYLLIDS" | PIERIDS-------------"KAVERNS"
DEATH VALLEY---"SATYRID" | CREEPING SWAMP-----"LYCAENID"
TECH WORLD-----"PYRALID" | TRANSLUCENT PLANTS--"NOCTUID"