Defend your base from invaders and stray asteroids! Answer Math Questions correctly to defeat your enemies and level up your planetary presence! Collect gold by answering questions correctly to build your defences, but be careful every 3 wrong answers will spawn more attacks! Rockets, alien ships and other things will all try and land in your world, use your math skills to prevent this!
Start the game by hitting play. Then select the grade and math skill you want to practice. Afterwards answer questions correctly to gain gold you can use for power ups and other items.