Get Cow Bounce Mini game -
Complete Campaign #3 to unlock this game
Get Sniper Rifle Range Mini game - Complete Campaign #1 to unlock this game
Get EMP cannon Range Mini game - Complete Campaign #2 to unlock this game
Tactics
1. (Day Sights) Use the thermal sight during the day to see enemies and vehicles easier
2. (Save Missiles) Shoot explosive objects like fuel barrels to save your guided missiles