Unlock all 4 maps
Destroy large enemy unit
Buy a crafting recipe
Buy a new map
Unlock all weapons
Craft a weapon
Craft 100 weapons
Win standard game on fall map
Destroy an enemy unit
Destroy 50 flying units
Destroy 500 flying units
Destroy 100 enemy units
Destroy 1000 enemy units
Spend some time in endless mode
Win standard game on spring map
Win standard game on summer map
Set 50 traps
Win standard game on winter map
Win standard game on easy difficulty
Win standard game without flag damage
Win standard game on hard difficulty
Win standard game on medium difficulty
