Here are some cheats and tips for the game Choplifter 2.
Level Password
1-2 SKYHPPR
1-3 LKYBY55
2-1 CHPLFTR
2-2 BYM5FWR
2-3 RGHTHND
3-1 GDGMPLY
3-2 TRYHRDR
3-3 SPRYSK5
4-1 CMPTRWZ
4-2 CHPYBY5
4-3 VRYHPPY
5-1 GMBYQZD
5-2 LVLYTYZ
5-3 GDDYGMZ