Clash Of Vikings is one of the Tower Defense Games that you can play on UGameZone.com for free. The base is guarded by two towers which you need to destroy. Plan your strategy carefully by placing troops in the right positions. To summon troops, you need to have enough elixir. In each battle, you can bring eight different troops. Make sure to customize your deck to match your strategy. You can play aggressively or defensively... It's up to you!