ZOMBS.IO is a great game in the genre protection of the castle. In the game, you will have to extract resources and build defensive structures. There is a large selection of traps and battle towers. The main resources are wood, stone, and gold. Each wave will be stronger and more difficult than the previous one , be ready for battle, do not forget about improvements and resource extraction. Also in the game are Pets that can help in collecting resources or in battle. The game will not start until you place the first building.