Zombie - Got a full squad
Completed the Special Ops Campaign
Both campaigns completed
Zombie - Reached wave 10
Completed the Soldier Campaign
Killed 3 enemies in an airstrike
Zombie - Killed 100 zombie chickens
Earned 1,000,000 Command Points
Completed the Tutorial
Your squad is fully upgraded
Zombie - Reached wave 25
Revived fallen squad members 10 times
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