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. (LEVEL CODES) FROZEN WASTES__"MANTIDS" DEAD CITY___________"CICADAS" WOOD WORLD____"PSYLLIDS" PIERIDS_____________"KAVERNS" DEATH VALLEY___"SATYRID" CREEPING SWAMP_____"LYCAENID" TECH WORLD_____"PYRALID" TRANSLUCENT PLANTS__"NOCTUID"