Defend your tower at all costs and defeat all incoming enemies. Destroyed enemies drop resources, and every few waves you earn a gem to research new technologies or spend as a wildcard.

  • Browser
  • Kongregate
  • Free
  • Classic

How it plays

Survive. Upgrade. Research.

  • Defend your tower

    Defeat all incoming enemies. Destroyed enemies drop resources, and every 25, 10 or 5 waves you receive a gem.

  • Buy upgrades

    Spend resources or gems on upgrades to increase your chances of survival.

  • Research for good

    Research new technologies to unlock stronger upgrades. Research stays, even when you start a new round.

  • Nine damage types

    Normal, fire, ice, earth, air, electricity, darkness, nature and universal. Universal resistance affects every type.

The Perfect Tower: a lone blue tower on a green field
The original browser version, still free to play on Kongregate.