Protect your city in endless defense gameplay. Merge wagons to increase firepower and unlock new abilities. Upgrade weapons and armor to defeat increasingly challenging waves of zombies. Customize routes and manage resources to sustain long battles.
Learn molecular formulas of water, carbon dioxide, and ozone. Use knowledge of molecular synthesis to defeat bacteria, fire monsters, and robots. Track progress and unlock new challenges.
Collect ingredients, prepare dishes, and serve meals to customers. Tap and match items to complete orders. Unlock new recipes and dishes. Track progress and compete with others. Share creations and achievements.