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Defend the Castle is a day-by-day tower defense roguelike where you face 5 enemy waves per day, upgrade between battles, and struggle to survive as enemies grow stronger. Make the right choices or fall. Some days bring... something else.
PC (Microsoft Windows) · Nov 25, 2025
Worldwide · Exact date · Full release · IGDB
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26 achievements available.

Unlock all attacks
LockedSteam

Take 500 damage
LockedSteam

Take 5000 damage
LockedSteam

Take 10000 damage
LockedSteam

Take 20000 damage
LockedSteam

Defeat the Hound
LockedSteam

Defeat King Inquis
LockedSteam

Replay 1 day
LockedSteam

Replay 10 days
LockedSteam

Replay 20 days
LockedSteam

Replay 30 days
LockedSteam

Kill 500 enemies
LockedSteam

Kill 1000 enemies
LockedSteam

Kill 2000 enemies
LockedSteam

Kill 5000 enemies
LockedSteam

Spend 50 000 in the store
LockedSteam

Spend 500 000 in the store
LockedSteam

Spend 1 Million in the store
LockedSteam

Spend 2 Million in the store
LockedSteam

Spot the Trojan horse!
LockedSteam

Survive 5 Consecutive days
Locked

Suddenly, they're scared
LockedSteam

Defeat the Trojan
LockedSteam

Tis but a flesh wound
LockedSteam

You've been.. thunderstruck!
LockedSteam

Brainss.. Unlock zombies
LockedSteam
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