On the title screen, type "I WOULD IF I COULD" and then press any key on the keyboard. The screen should flash red to let you know it worked. Now during play use the following keys:
'F1'---------The computer will play for you (on/off)
'F2'---------------------Stops the tanks from firing
'F3'-----------------------------------Invincibility
'F4'--Eliminates flying section to get to new levels
'F5'--------------------------Disables active cheats
'F6'------The computer will play ('F1' turns it off)
Loads of furs
-- 72 -------- 01 ---- Loads of minerals
-- 75 -------- 01 ---- Loads of gold
-- 79 -------- 01 ---- Loads of platinum
-- 83 -------- 01 ---- Loads of gem stones
-- 84 -------- 01 ---- Loads of alien items
-- 88 -------- 01 ---- Refugees from Super Nova
-- 8C -------- 01 ---- Important thargoid doc
-- 97 -------- 01 ---- Clean legal status
-- 97 -------- 00-08 - Harmless - Elite ranking
-- 3C -------- 01 ---- E.C.M. system jammer
('L' toggles jammer on and off)