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Discover two new playstyles with The Infiltrator, a nimble keeper moving switfly with a rope; and The Beastmaster, an arcane keeper traversing the mines with agile tentacles.
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 ends
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
Try this game before buying.
The Lost Keepers are here!
Learn and master two new Dome Keeper playstyles with The Infiltrator, a nimble keeper moving swiftly with a rope and skilled jumps; and The Beastmaster, an arcane keeper traversing the mines with agile tentacles and their catgoblin minions.
Along with the new keepers, this DLC includes a full set of cosmetic content to discover and unlock, plus extra goodies:
9 new assignments
5 unlockable new pets
4 unlockable skins for The Infiltrator and 4 unlockable skins for The Beastmaster
2 new skins for The Engineer and The Assessor
The Infiltrator OST
The Beastmaster OST
Lowest tracked price: €6.23 (Jul 7, 2026) · current best: €6.23.
79% positive reviews all-time · 0 peak players in the last 30 days.
Right now the cheapest offer for Dome Keeper: The Lost Keepers is €6.23 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Dome Keeper: The Lost Keepers is €6.23 (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.
Dome Keeper: The Lost Keepers peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Dome Keeper: The Lost Keepers 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.
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