Reach the rank of General of the Army for a second time.
Reach the rank of General of the Army.
Destroy 5 of the big track quatro pounder tanks
Reach 10000 kills in total.
Use 20 Invincibility power ups on yourself.
Buy all of the weapons.
Use 30 Shields to protect yourself.
Achieve an "Outstanding" kill combo 100 times.
Shoot down 20 flying planes.
Blow up 5000 wooden crates.
Use 50 Medipacks to heal yourself.
Blow up 1500 red barrels.
Upgrade any weapon, killstreak or item to the max.
Upgrade any weapon for the first time.
Complete the Boot Camp tutorial mission.