Axelay

D766-D7A7 Start with 1 credit instead of 5
D066-D7A7 Start with 2 credits
D966-D7A7 Start with 3 credits
D166-D7A7 Start with 4 credits
D666-D7A7 Start with 6 credits
DB66-D7A7 Start with 7 credits
DC66-D7A7 Start with 8 credits
D866-D7A7 Start with 9 credits
C2C5-DDDF Infinite credits
DF21-AD04 Start with 1 life instead of 3
D421-AD04 Start with 2 lives
D921-AD04 Start with 5 lives
D521-AD04 Start with 7 lives
DB21-AD04 Start with 9 lives
DE21-AD04 Start with 15 lives
FB21-AD04 Start with 25 lives
7421-AD04 Start with 50 lives
0821-AD04 Start with 75 lives
1721-AD04 Start with 99 lives
C2AE-DF6D + C28F-04D7 Infinite lives
CBB7-AFA7 + DFB7-A4D7 + DDB7-A407 Start on Stage 2
CBB7-AFA7 + D4B7-A4D7 + DDB7-A407 Start on Stage 3
CBB7-AFA7 + D7B7-A4D7 + DDB7-A407 Start on Stage 4
CBB7-AFA7 + D0B7-A4D7 + DDB7-A407 Start on Stage 5
CBB7-AFA7 + D9B7-A4D7 + DDB7-A407 Start on Stage 6