🛡️ Castle Defense ▶ Play Knowledge Base

Buildings

Construct and upgrade buildings to grow your castle, economy and army.

Castle Keep

Category: core

Unlock: Keep Lv 1

Cost: Free

Barracks

Category: military

Unlock: Keep Lv 1

Cost: Free

Archery Range

Category: military

Unlock: Keep Lv 1

Cost: Free

Dragon Roost

Category: military

Unlock: Keep Lv 2

Cost: 150g

Treasury

Category: economy

Unlock: Keep Lv 2

Cost: 200g

Gold Mine

Category: economy

Unlock: Keep Lv 2

Cost: 250g

Farm

Category: economy

Unlock: Keep Lv 3

Cost: 300g

Mana Well

Category: economy

Unlock: Keep Lv 3

Cost: 350g

Library

Category: research

Unlock: Keep Lv 3

Cost: 400g

Forge

Category: hero

Unlock: Keep Lv 4

Cost: 500g

Hero Hall

Category: hero

Unlock: Keep Lv 4

Cost: 600g

Arcane Spire

Category: military

Unlock: Keep Lv 3

Cost: 450g

Temple of Light

Category: military

Unlock: Keep Lv 4

Cost: 550g

War Academy

Category: hero

Unlock: Keep Lv 4

Cost: 500g

Workshop

Category: economy

Unlock: Keep Lv 3

Cost: 400g

War Council

Category: military

Unlock: Keep Lv 5

Cost: 700g

Watchtower

Category: defense

Unlock: Keep Lv 2

Cost: 220g

Castle Walls

Category: defense

Unlock: Keep Lv 2

Cost: 280g

Ballista

Category: defense

Unlock: Keep Lv 3

Cost: 380g

Mage Tower

Category: defense

Unlock: Keep Lv 4

Cost: 460g

Trap Workshop

Category: defense

Unlock: Keep Lv 3

Cost: 320g

Alchemy Lab

Category: economy

Unlock: Keep Lv 4

Cost: 500g

Warehouse

Category: economy

Unlock: Keep Lv 3

Cost: 350g