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Level passwords:
01 - Mortar, Tank, Mortar, Jeep
02 - Jeep, Jeep, Mortar, Plane
03 - Tank, Grenade, Tank, Mortar
04 - Rifle, Mortar, Jeep, Plane
05 - Mortar, Rifle, Plane, Jeep
06 - Mortar, Grenade, Rifle, Chopper
07 - Plane, Grenade, Rifle, Tank
08 - Grenade, Mortar, Chopper, Mortar
09 - 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
29 - Chopper, Mortar, Chopper, Jeep
30 - Tank, Tank, Grenade, Mortar
31 - Chopper, Jeep, Grenade, Rifle