Complete Bootcamp on any difficulty.

Complete Depot Run on any difficulty.

Complete Depot Run on hard difficulty.

Complete Depot Run without taking damage or pressing up or down on the D-Pad on normal or greater difficulty.

Complete Spy Hunt on any difficulty.

Complete Spy Hunt on hard difficulty.

Complete Spy Hunt using only the default weapon and without taking damage on normal or greater difficulty.

Complete Drive By Rescue on any difficulty.

Complete Drive By Rescue on hard difficulty.

Complete Drive By Rescue using only the jeep weapon on normal or greater difficulty.

Complete Comm Down on any difficulty.

Complete Comm Down on hard difficulty.

Complete Comm Down within one minute using only the explosives on normal or greater difficulty.

Complete The Key on any difficulty.

Complete The Key on hard difficulty.

Complete The Key without taking damage on normal or greater difficulty.

Complete Dry Gulch on any difficulty.

Complete Dry Gulch on hard difficulty.

Complete Dry Gulch within one minute, using only the explosives, and without taking damage on normal or greater difficulty.

Complete Downed Chopper on any difficulty.

Complete Downed Chopper on hard difficulty.

Complete Downed Chopper using only the default weapon and without taking damage on normal or greater difficulty.

Complete Lumber Strike on any difficulty.

Complete Lumber Strike on hard difficulty.

Complete Lumber Strike within 45 seconds, using only the explosives, and without taking damage on normal or greater difficulty.

Complete Mining Camp on any difficulty.

Complete Mining Camp on hard difficulty.

Complete Mining Camp without pressing up or down on the D-Pad on normal or greater difficulty.

Complete Race To The Lake on any difficulty.

Complete Race To The Lake on hard difficulty.

Complete Race To The Lake using only the default weapon and firing only one shot on normal difficulty.

Complete Tan Express on any difficulty.

Complete Tan Express on hard difficulty.

Complete Tan Express within 50 seconds, using only the explosives, and without taking damage on normal or greater difficulty.

Complete Train Station on any difficulty.

Complete Train Station on hard difficulty.

Complete Train Station using only the default weapon and without taking damage on normal or greater difficulty.

Complete Prison Break on any difficulty.

Complete Prison Break on hard difficulty.

Complete Prison Break using only the defaul weapon and explosives on normal or greater difficulty.

Complete Weapon Plant on any difficulty.

Complete Weapon Plant on hard difficulty.

Complete Weapon Plant using only the defaul weapon on normal or greater difficulty.

Complete Colonels Mansion on any difficulty.

Complete Colonels Mansion on hard difficulty.

Complete Colonels Mansion without taking damage on normal or greater difficulty.

Complete Bridge Battle on any difficulty.

Complete Bridge Battle on hard difficulty.

Complete Bridge Battle without ordering the Colonel on normal or greater difficulty.

Complete Bourbon Street on any difficulty.

Complete Bourbon Street on hard difficulty.

Complete Bourbon Street using only the bazooka on normal or greater difficulty.

Complete City of the Dead on any difficulty.

Complete City of the Dead on hard difficulty.

Complete City of the Dead within 70 seconds using only mortors on normal or greater difficulty.