Towers: Click a tower button below, then click a green tile on the map to place it. Click a placed tower to see stats and upgrade/sell options.
Archer (50g) - Fast single-target. Tiers: Crossbow → Ballista
Mage (80g) - AoE splash. Tiers: Wizard → Archmage
Cannon (100g) - High damage, slow. Tiers: Mortar → Trebuchet
Ice Wizard (90g) - Slows enemies. Tiers: Frost Mage → Blizzard
Spells: Rain of Arrows (AoE), Healing Ward (heal towers), Fortify (invincible 5s)
Enemies: Peasant (fast/weak), Knight (armored), Siege Ram (tank, targets base), Dragon (flying), Assassin (stealth)