Aliens are invading, the city is in danger - It's time for human to strike back, to defeat aliens invasion! Jump to fight against mechanized troops, kill the boss of aliens, and achieve all tasks to save the city! # Tap screen to jump to kill enemies. # Kill 3 of the same kind enemies to POWER UP. # Kill the boss for extra bonus. # Achieve appointed tasks to get higher score. It's time to save the city now! Don't forget to rock global 24h leaderboard, HERO!