Win a battle using 3 or more power-ups.
Win a battle without losing any units.
Collect from your headquarters.
Use "Call for Help" in combat 25 times.
Use "Call for Help" in combat 50 times.
Use "Call for Help" in combat 100 times.
Complete 40 quests.
Complete 100 quests.
Complete 200 quests.
Lose 1000 infantry units.
Win 190 campaign battles.
Construct 25 power-ups.
Win 375 campaign battles.
Construct 150 power-ups.
Build 25 vehicles.
Construct 300 power-ups.
Build 150 vehicles.
Destroy 25 power-ups in combat.
Build 300 vehicles.
Destroy 150 power-ups in combat.
Attack 25 enemy players
Destroy 300 power-ups in combat.
Attack 150 enemy players
Train 50 infantry units.
Attack 300 enemy players
Train 250 infantry units.
Win 5 battles in a row.
Train 500 infantry units.
Win 25 battles in a row.
Build 10 aerial units.
Win 50 battles in a row.
Build 100 aerial units.
Collect 50000 coins.
Build 200 aerial units.
Collect 150000 coins.
Build 10 offensive structures.
Collect 300000 coins.
Build 50 offensive structures.
Collect 500 oil.
Build 100 offensive structures.
Collect 2500 oil.
Build 10 defensive structures.
Collect 5000 oil.
Build 50 defensive structures.
Accumulate 300 Energy.
Build 100 defensive structures.
Accumulate 750 Energy.
Gather an alliance of 10 nations.
Accumulate 1500 Energy.
Gather an alliance of 25 nations.
Build 10 decorations.
Gather an alliance of 50 nations.
Build 50 decorations.
Attack 10 enemies that have attacked you.
Build 100 decorations.
Attack 50 enemies that have attacked you.
Build 10 buildings.
Attack 100 enemies that have attacked you.
Build 100 buildings.
Win 75 campaign battles.
Build 200 buildings.
Repair your headquarters.
Collect 500 bounty rewards.
Attack other players 1000 times.
Reach Level 20.
Set a bounty on 100 enemies.
Complete 20 social quests.
Construct 40 different buildings.
Successfully complete training.
Destroy 500 tanks in combat.
Purchase 90 land expansions.
Destroy 500 aircraft in combat.