1 AATA-ACBE Normal-game clock starts at 100
2 AATA-AEBE Normal-game clock starts at 200
3 LATA-AEBE Normal-game clock starts at 250
4 AATA-AJB2 Long-game clock starts at 400
5 AATA-ALB2 Long-game clock starts at 500
6 LATA-ARB2 Long-game clock starts at 750
7 XETA-AWB2 Long-game clock starts at 999
8 AJTA-AA6A Infinite time--most of game
9 AANT-AADW Start with 1 life
10 AENT-AADW Start with 2 lives
11 ANNT-AADW Start with 4 lives
12 AJNT-AABT Start at stage 2
13 ANNT-AABT Start at stage 3
14 ATNT-AABT Start at stage 4
15 AYNT-AABT Start at stage 5
16 A2NT-AABT Start in stage 5 against giant robot
17 JZWA-AAGC Flame throwers have less fuel
18 AKWA-AAGG Each bazooka holds 2 rounds
19 AZWA-AAGG + AZXA-AAAG + AZXA-AAAR Each bazooka holds 5 rounds
20 BFWA-AAGG + BFXA-AAAG + BFXA-AAAR Each bazooka holds 9 rounds
21 CBWA-AAF8 Each machine gun holds 10 rounds
22 EZWA-AAF8 Each machine gun holds 25 rounds
23 LBWA-AAF8 + LBXA-AAAC + LBXA-AAAL Each machine gun holds 50 rounds
24 XFWA-AAF8 + XFXA-AAAC + XFXA-AAAL Each machine gun holds 99 rounds
25 BBFA-AA46 No loss of life if sucked into space
26 AAZT-AADN + ABCT-AAD0 All weapons have unlimited capacity
27 A2VT-AA3R Invincibility
28 AENT-AAB0 + AENT-AACG Start with 2 credits
29 ANNT-AAB0 + ANNT-AACG Start with 4 credits
30 A6NT-AAB0 + A6NT-AACG Start with 8 credits
31 BENT-AAB0 + BENT-AACG Start with 10 credits
32 AC6T-AAEW Infinite credits