3C37-A7D4 Infinite weapons--except for flame
DDC0-C770 Maximum weapons on pick up
CD61-0D64 Slow down timer
7961-0D64 Speed up timer
3CC7-3F85 Infinite remotes
F0A6-1D59 Start with 20 3-way
F0A6-1FE9 Start with 20 flame
F0A6-1759 Start with 20 rocket
F0AB-1DE9 Start with 20 bolt
F0AB-1459 Start with 20 wave
D1A8-1479 Start with 6 of selected remote
DEA8-1479 Start with 15 of selected remote
D666-0DDD Start with 9 lives
D966-0DDD Start with 6 lives
DD66-0DDD Start with 1 life
4A6E-0F0D Infinite lives

Don't combine the rest of the codes.

DDA8-1F89 Start with 3 flash
DFA8-1F89 Start with 3 shield
D4A8-1F89 Start with 3 umbrella
D0A8-1F89 Start with 3 helicopter hat
D9A8-1F89 Start with 3 floating bomb