Tower Defense

Invaders march along the dirt path toward your castle. Build towers on the grass beside the path to stop them. Every invader that reaches the castle costs lives — lose all 20 and the castle falls. Survive 25 waves to win the map.

Building

• Pick a tower in the bar at the bottom (or press 1–4), then tap or click a grass tile to build it. The circle shows its range.
• Tap a tower you've built to upgrade it (up to level 3) or sell it for 70% of what you spent. Keys: U upgrade, X sell.
• Defeated invaders give gold. Calling the next wave early with Wave ▶ (or Space) earns bonus gold.
• Speed (or F) toggles 1×, 2× and 3× game speed. P pauses.

Towers

• Archer — cheap, fast single-target arrows.
• Cannon — slow, heavy shells that splash damage in an area. Great against groups.
• Frost — chilling bolts that slow invaders down.
• Tesla — lightning that chains between several invaders and ignores armour.

Invaders

• Grunts are average, Runners are fast, Brutes are slow and armoured (armour reduces each hit), Swarmlings come in big packs and every 10th wave brings a Warlord boss.

Choose between six maps in the toolbar. Your best wave on each map is saved.