Interpose чит-файл №1

Cheats
(Partial List)
                               
Press 'P' when playing to pause the game.
Press "Enter"
Write the cheat code (within 3 seconds)
Press "Enter" again.

Full Shield
FISK

Extra life
TRAN

More money
1501 (repeat to get a lot)

Autofire
ARGH (repeat this one too)