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A casual idle game where you grow your slimes and your Slime Kingdom.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
A casual idle game where you grow your fortune by sending off your slime adventurers on quests, hire slimes to work on several gathering tasks, craft potions and equipment to improve your slimes, upgrade your slimes, get loot and trade, wage war or sign treaties with other kingdoms.
This is your Slime Kingdom.
Right now the cheapest offer for Slime Kingdom: Idle is CA$5.99 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 Slime Kingdom: Idle is CA$3.59 (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.
Create a free price alert on this page and KingsPrice will email you when Slime Kingdom: Idle 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.
