Destroyed the Octo-Tank.
Destroyed the Octo-Jumper.
Destroyed the Octo-Plane.
Defeated the Octopus Commander.
Unlock the Secret Ending
Conquered all enemy bases.
Rescued Rebecca.
Rescued Paula.
Rescued Madness.
Conquered all armor depots.
Destroyed all enemy communications devices.
Collected $1000 of enemy finances.
Won a battle with every vehicle.
Defeated an enemy squadron on the Hoovercraft.
Defeated an enemy squadron on the Boat.
Defeated an enemy squadron on the Truck.
Found an abandoned car in the Desert.
Unlocked a hidden animation.
Your vehicle has been armed.
Unlocked the hidden cutscene at the gate.
Rescued Kilmer's bootleg character.
Rescued Liza.