🛒Buy mechs from the shop — 3 of a kind fuse into a ⭐ upgrade

♟️Drag them onto your half of the grid

⚔️Fight — cyan lasers vs the crimson wave, hands off

⏱️OVERDRIVE: tap the ring at the sweet spot → critical ult

💰Gold earns interest — every 10 banked pays +1

👑Boss every 5 waves. Survive 20 to win.