Attack other players 1,000 times.
Build 200 aerial units.
Reach level 20.
Accumulate 1,500 energy.
Collect 300,000 coins.
Win a battle without losing any units.
Successfully complete training.
Collect from your headquarters.
Build 100 defensive structures.
Attack 100 enemies who have attacked you.
Complete 20 social quests.
Lose 1,000 infantry units.
Win a battle using 3 or more power-ups.
Set a bounty on 100 enemies.
Construct 300 power-ups.
Destroy 300 power-ups in combat.
Train 500 infantry units.
Attack 300 enemy players.
Win 375 campaign battles.
Build 100 boosters.
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