Level	Password
1	Mortar, Tank, Mortar, Jeep
2	Jeep, Jeep, Mortar, Plane
3	Tank, Grenade, Tank, Mortar
4	Rifle, Mortar, Jeep, Plane
5	Mortar, Rifle, Plane, Jeep
6	Mortar, Grenade, Rifle, Chopper
7	Plane, Grenade, Rifle, Tank
8	Grenade, Mortar, Chopper, Mortar
9	Tank, Mortar, Rifle, Tank
10	Jeep, Chopper, Tank, Mortar
11	Rifle, Mortar, Grenade, Mortar
12	Jeep, Chopper, Grenade, Chopper
13	Plane, Plane, Grenade, Mortar
14	Plane, Rifle, Plane, Chopper
15	Rifle, Chopper, Chopper, Tank
16	Chopper, Chopper, Rifle, Grenade
17	Rifle, Tank, Plane, Mortar
18	Rifle, Rifle, Grenade, Jeep
19	Rifle, Jeep, Chopper, Grenade
20	Chopper, Grenade, Rifle, Jeep
21	Mortar, Grenade, Chopper, Jeep
22	Rifle, Tank, Chopper, Rifle
23	Plane, Jeep, Tank, Mortar
24	Chopper, Rifle, Jeep, Mortar
25	Tank, Grenade, Plane, Grenade
26	Plane, Tank, Rifle, Mortar
27	Tank, Tank, Jeep, Tank
28	Jeep, Tank, Jeep, Mortar

Note: You must have a 2.1 or higher version of the Game Shark to use these codes in a Game Boy Color system.