This is a casual space tower defense game where players will face various forms of Bobby zombies. Each astronaut character has unique skills, and players need to invest their intelligence wisely to strengthen them. Clearing and unlocking levels can earn you coins, and strengthened astronauts will become even stronger. Players need to cleverly arrange battle routes, resist constantly increasing enemies, and destroy them. In the game, various astronauts can also be unlocked, such as Laser Astros, Spitfire Astros, etc. And while fighting against the Bobby zombies, it is necessary to also guard one's own base. Discover and deal with various enemies! This game is full of richness and challenge, allowing players to fully utilize their strategic intelligence to challenge all levels.