Unlock Missions...
	Weapon restoration and Invinci...

To correctly input these codes, first highlight "Change Mission" in the "Options" screen. You'll need to HOLD the pause button before inputting any codes.

Code	Effect
2 7 6 5 4 9	Unlock Missions 1 through 10
1 0 7 8 4 0	Unlock Missions 1 through 11
2 9 7 4 3 0	Unlock Missions 1 through 12
9 2 1 7 5 3	Unlock Missions 1 through 13
3 8 5 1 7 9	Unlock Missions 1 through 14
9 0 1 9 3 4	Unlock Missions 1 through 15
6 8 9 2 1 4	Unlock Missions 1 through 2
1 2 2 1 6 9	Unlock Missions 1 through 3
6 7 6 3 9 6	Unlock Missions 1 through 4
4 9 3 1 7 5	Unlock Missions 1 through 5
3 2 9 7 8 1	Unlock Missions 1 through 6
7 4 8 6 2 7	Unlock Missions 1 through 7
2 4 9 3 4 7	Unlock Missions 1 through 8
8 4 4 6 1 0	Unlock Missions 1 through 9

Weapon restoration: go to select play mode, hold down OPTION and enter code 7-3-4-6-2-8, then release OPTION Invincibility: go to select play mode, hold down PAuSE and enter 2-1-7-8-5-9, then release PAUSE If you enter a code correctly, you will hear a solitary beep. You have to press all the buttons simultaneously.