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