Complete the boss level "Onward to the Target".
Complete the boss level "Capturing a UFO".
Complete the survival level "Hangar Threat".
Complete the boss level "Forest Creeper".
Complete the survival level "Alternative Route".
Complete the vehicle level "Chasing the Cargo".
Complete the boss level "A Small Problem".
Complete the survival level "The Sea Waves Come Once…".
Complete the boss level "A Very Big Surprise".
Complete the vehicle level "Death Road".
Complete the survival level "First Contact".
Complete the level "Lost Cargo".
Complete the level "Helicopter Crash".
Complete the level "Military Base".
Complete the boss level "The Great Evil" and save the world.
