Steam game

That One Dungeon Room

An action-infused Idle/Incremental game that blends effortless play with satisfying combat. It combines rewarding incremental progression with action and RPG elements, creating a deep, grind-driven progression system focused on upgrades, long-term growth, and a highly addictive gameplay loop.

Coming soon

By Burning House

Windows
View on Steam
That One Dungeon Room - Burning House. Popular.
Screenshot of That One Dungeon Room gameplay showing in-action mechanics Screenshot 2 of That One Dungeon Room - additional gameplay view Screenshot 3 of That One Dungeon Room - more gameplay footage Screenshot 4 of That One Dungeon Room - final gameplay screenshot

Overview

About this game

You don’t remember how you got here.

There’s no sky above you, no clear way out, just a dungeon that seems to stretch endlessly, one room at a time.

At first, all you can do is fight.
You swing your weapon with your mouse, defeat the creatures that appear, and collect the coins they leave behind. It’s simple. Familiar. Almost calming.

And then… You do it again.

With each run, you grow a little stronger.
Coins are spent on upgrades, new abilities, and stat improvements. Attacks become smoother. Progress comes faster.

ACTIVE PLAY WITH INCREMENTAL PROGRESSION

You can push forward manually, optimizing your attacks and movement, or rely on your growing strength to make each run more efficient and rewarding over time.

THE DUNGEON BEGINS TO OPEN UP

Strange NPCs appear along the way. They offer upgrades, unlock new systems, and share fragments of a story you can’t quite piece together.

As you progress deeper, new enemy types, tougher encounters, and scaling difficulty begin to challenge your build. You’ll unlock a wide variety of active abilities and upgrades, allowing you to experiment with different playstyles and approaches.

This isn’t just a place to survive.
It’s a place to grow.

A steady loop of action, incremental systems, and RPG progression, where every decision shapes how you evolve.

Just keep going.
Keep getting stronger.
Keep uncovering the truth one step at a time.

Features

  • Mouse-driven combat
    Direct, responsive control over every attack

  • Incremental progression system
    Earn resources, upgrade your character, and grow stronger each run

  • Wide range of active abilities
    Unlock and experiment with many skills to define your playstyle

  • Replayable dungeon loop
    Increasing difficulty, scaling rewards, and endless improvement

  • Flexible run structure
    Enter and exit the dungeon freely, or push your limits until defeat

  • NPC interactions & light narrative
    Discover the story through subtle dialogue and encounters

You didn’t choose this place.
But over time…

It might start to feel like yours.

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