A medieval fantasy idle tower defense game.

The Fortress

Build · Defend · Explore

In development — play free in your browser now.
Coming to Steam, iOS & Android.

▶  Play the Demo Play the QA Version Cheats

Runs in any modern browser — no install, no account. First load is large; give it a moment.


Three Ways to Play

Defend

Watch your fortress hold the line against endless waves of enemies. Upgrade stats between waves. Push deeper. Your build does the fighting.

Explore

Send heroes into the wilds. Fight monsters, find gear, discover ancient secrets, and haul loot back to make your fortress stronger.

Idle

Close the app. Come back to rewards. Your fortress never sleeps.


Built Different

No loot boxes. No energy timers. No pay-to-win. Everything earnable for free — paying just makes it faster. Hidden mechanics reward the curious. Community discovery is the endgame.

Solo dev project. Built in Godot. Follow development and join the playtester list on Discord.

Join the Discord