Stack of Defense is a hybrid between physics puzzle game with a defense game. Your main mission is to prevent the bots from reaching the exit gate. Build your army of blocks, stack the blocks, and blockade the bot's path, then kill `em all!!

Complete all the 25 levels with mind-bending & mind-blowing physics puzzles to solve, as well as to destroy the horde of deadly bots. Activate the skill system to ease you to complete the levels. From rapid fire, acid bird, to meteor that will cause extra destruction.

Upgrade your unit to make them even stronger. Buy some skills to assist you through the levels. And don't forget to submit your highscore to the online leaderboard and boast to your friends as well as the people from the whole worlds, who is the boss!!

Game Features:
- 25 levels to complete
- Mind-bending & mind-blowing physics puzzles
- Upgradeable units
- Skill systems
- Online leaderboard
- Cute one-eyed robots

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