Tap a tower on the map to upgrade, sell, or change its target.
BASTION DEFENSE
The horde marches along the road toward your gate. Build towers on the grass, upgrade them, and stop every wave. Call waves early for bonus gold — and brace for a boss every 10th wave.
Tap a tower in the shop, then tap the grass to build · Tap a tower to upgrade or sell
Keys: 1–5 choose tower · U upgrade · S sell · T target · Space next wave · F speed · P pause · Esc cancel