Autobotâ€™s stronghold has been attacked by the Decepticons led by the evil Megatron. You have to deploy the autobots to fight against the Decepticonts to save your base. Click or drag the autobot icons into the city map to build defense towers. Choose from different autobot defenders like Bumblebee, Jazz, Ironhide, Ratchet, and Optimus Prime and build your defenses strategically. Build and upgrade your defense towers and hold your stronghold for 50 waves of enemy attacks and repeat the history again.