There are no in-game cheats , but get CodeBreaker for some good ones :
Mastercode
902754f8 00832021
Max Cash
2029b288 05F5E0FF
Max Points
2029b284 05F5E0FF
Max/Inf Ammo
402c381c 00070001
000186A0 00000000
Cargo ship
1029b26a 0000xxxx
Corvette
1029b26c 0000xxxx
Destroyer
1029b26e 0000xxxx
Cruiser
1029b270 0000xxxx
Battleship
1029b272 0000xxxx
Carrier
1029b274 0000xxxx
Battlecarrier
1029b276 0000xxxx
Submarine
1029b278 0000xxxx
Aircraft
1029b27a 0000xxxx
Superweapon
1029b27c 0000xxxx
For xxxx enter 0063 for 99
01F3 for 499
03E6 for 998
Then you only need to get 1 to get the award.
200 Knots Top Speed
2015ED64 240F07D0
Almost Forgot:
Inf Hp Ships
00522c34 00000064
00522c38 00000064
Inf Hp Subs
20522c34 42c80000
20522c38 42c80000
[Edited by superweapons, 10/16/2007 6:24:14 AM]
I tried and tried failed... cause that codebreaker isn't actually code breaker it was Action Replay max So guys now you guys can make this cheat work.