Slide your finger — your ship follows and fires on its own. Blast space junk, grab coins and power-ups (🧲 🛡️ ⚡). Bank coins between waves: banked coins are safe when you're hit and earn interest every wave. Answer money questions to buy weapons, ships, and upgrades. New ships you buy are yours forever. Beware the LOAN SHARK every 5th wave!
Banked coins are safe if you get hit and earn 10% interest every wave — that's compound interest, your money making money.
Answer right: +25% pocket coins. Wrong: lose nothing!