Beat the first mission
Beat the campaign
Kill 10 enemies
Kill 100 enemies
Kill 500 enemies
Kill 1000 enemies
Kill 5000 enemies
Cast 5 spells
Cast 100 spells
Cast 500 spells
Cast 1000 spells
Build 5 towers
Build 50 towers
Build 100 towers
Build 500 towers
Beat a campaign level without casting a spell
Beat a campaign level without building a tower
Make it to wave 10 on endless mode
Make it to wave 20 on endless mode
Make it to wave 30 on endless mode
Achieve Gold rank on all levels