Achievements:ACHIEVEMENT – HOW TO UNLOCKCunning (20) – Win a level without towers.Demolition man (20) – Destroy the Minotaur Base.Grandmaster (20) – Complete all levels in Limited Resource mode.Librarian (10) – Use the unit info 10 times.Lucky! (20) – Win 5 multiplayer match in a row.Master Economist (20) – Use all Economy Upgrades in one mission.Rookie (10) – Finish the first mission.Straight Flush (10) – Build all tower types of one race in one mission.Survivor (20) – Survive 60 waves on the Survival game mode.Vacuum Cleaner Agent (10) – Sell 10 towers in a single mission.Veteran (20) – Finish the Campaign.