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In this exhilarating roguelike action game, the main character, Rustil, acquires abilities from the souls of various heroes in a huge and mysterious labyrinth castle, and aims to reach the top floor while strengthening the main character. All monsters can be captured, raised, and summoned!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Right now the cheapest offer for Rustil: Eternal Labyrinth Castle is CA$23.70 at Gamivo. KingsPrice compares 2 offers from 2 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Rustil: Eternal Labyrinth Castle is CA$14.87 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when Rustil: Eternal Labyrinth Castle drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
Exhilarating roguelike action with monsters and swords at your command
A world where a huge castle suddenly appears.
The protagonist, Rustil, who has no memory of his past, is drawn to the labyrinthine castle.
Choose your favorite ability from the souls of the heroes lying in the labyrinthine castle and acquire it.
Enjoy a variety of combat styles with one-handed swords, magic staves, gunblades, and more!
A mysterious labyrinthine castle that changes every time you enter!
Explore its ever-shifting corridors to collect powerful equipment and recruit monsters to join your team!
Choose Your Play Style:
Safe Mode
A casual exploration mode perfect for relaxed adventuring.
Even if your exploration ends in failure, you’ll keep all the items you found.
Challenge Mode
A high-stakes mode for those seeking thrill and reward.
If you're defeated and fail to return, you'll lose all the items you were carrying.
However, the risks come with greater rewards—rare equipment drops more frequently, and it's easier to capture high-stat monsters.
Note: Even if you lose equipment, you may be able to buy it back from the merchant at home.
All monsters in the game can be captured.
You can not only improve their abilities, but also decide their personalities in detail!
You can enjoy a variety of actions such as one-handed sword, magic staff, and bayonet!
Collect rare items and capture the labyrinth castle!
