Activate Sniper Rifle Range
To activate Sniper Rifle Range, beat Campaign 1.
Activate EMP
To activate EMP Cannon Range, beat Campaign 2.
Activate Cow Bouncing
To activate Cow Bouncing, beat Campaign 3.
Activate Assassination
To activate Assassination, beat Campaign 4.
Long distance hits
Use the sniper scope to zoom in on an enemy, then you can shoot them with unguided rockets or the cannon without a lock-on.
Saving missiles
Shoot fuel barrels when they are next to enemies using your cannon.
Thermal scope
Use the thermal scope during the day so you don't confuse vehicles with soldiers.