Here are some cheats and tips for the game 1943.
Super password:
Enter TY19U as a password to start on the last level
with maximum offense, defense, weapons, energy, and time.
Level Password
2 7G117
3 EGO13
5 E4113
6 ZDIIX
7 IRIID
8 PFL08
22 RY690
23 TY2NU