

Slime Kingdom: Idle
NuDal games · April 30, 2026 · Casual, Incremental, Idler, 2D, Singleplayer
Buy Slime Kingdom: Idle from Steam at $4.99 — the cheapest of 1 store we compare.
Where to buy Slime Kingdom: Idle — official stores
Slime Kingdom: Idle price by region
Slime Kingdom: Idle costs $3.29 in Georgia (USD), £4.59 in the United Kingdom, $4.99 in the United States, €5.19 in Europe (EUR), CA$5.99 in Canada, A$6.95 in Australia, NZ$7.89 in New Zealand, R$19.49 in Brazil and zł21.49 in Poland right now.
| Region | Best price | Official store | Key shop | Stores |
|---|---|---|---|---|
| $3.29 | $3.29 | — | 1 | |
| £4.59 | £4.59 | — | 1 | |
| $4.99 | $4.99 | — | 1 | |
| €5.19 | €5.19 | — | 1 | |
| CA$5.99 | CA$5.99 | — | 1 | |
| A$6.95 | A$6.95 | — | 1 | |
| NZ$7.89 | NZ$7.89 | — | 1 | |
| R$19.49 | R$19.49 | — | 1 | |
| zł21.49 | zł21.49 | — | 1 |
Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.
Screenshots
About Slime Kingdom: Idle
Build your gelatinous empire by deploying slime adventurers on quests, managing workers, and crafting gear to strengthen your gooey workforce. Expand your Slime Kingdom through trading, diplomacy, and warfare while watching your fortune grow on its own.
A casual idle game where you grow your slimes and your Slime Kingdom.
Slime Kingdom: Idle — game info
- Platforms
- Windows, macOS, Linux / SteamOS
- Player modes
- Single-player
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Slime Kingdom: Idle starts strong with multiple gameplay layers and regular new elements in the early hours, but players report the game suffers from significant balance issues, lack of progression explanation, and missing features that undermine long-term enjoyment. Common complaints include severe late-game grinding walls, no offline progression, frequent crashes, confusing UI with unclear mechanics, and tedious menus for unit creation, with some players experiencing complete game-breaking bugs at startup.
Idle & Incremental Lovers recommends Slime Kingdom: Idle. [i] Good first game for a solo dev. First few hours are pretty enjoyable: new gameplay elements are regularly introduced. But the pacing sadly becomes slower and slower the more you progress afterwards. [/i] + Multiple gameplay layers (quests, units, equipment, crafting, upgrades...) make it an interesting game to play in the first few hours. + UI is clear, music and art are OK. Nothing really stands out, but it's good and clean work + Slimes: aren't they the best creatures in videogames? (Dunno about real life, have yet to meet one.) + Dev is a real gentleman and actively tried to solve some issues I had with the game. - Passed a certain point, it takes way too much money to unlock the next quest, to the point it becomes a boring grind. A simple balancing patch could fix that. - The "world" feature (commerce, sign treaties and go to war with neighboring lands), introduced in the late game, is a quite obscure mechanic. You feel like you don't have the data and keys to understand the impact of your choices. - In fact, you're often left in the dark about what you need to do to unlock this or that (a new crafting recipe, a ne…3 found this helpful
The balance is complete mess. Early hours are not very interesting. There's no real point to unlocking new quest areas - you get most income if you upgrade earlier ones. Crafted items don't seem to have any real rhyme or reason and are just there for quantity. Albeit you can find something helpful, eventually. Jobs are just side hustle to power crafting. Making advanced slimes from basic ones is a chore, e.g. basic => archer => gunner, gotta scroll screen up, then screen down to make a single one. Classed/advanced slimes don't seem to have clear purpose, besides being better than basic ones. Feels like AI slop, tbh.2 found this helpful
Lovely game, Idle, Slimes! :P It's a bit confusing at some point, some images don't always match but it's still fun gameplay!2 found this helpful
A decent idle game, but it does not have any offline progression, so can not recommend it.2 found this helpful
Crashes a lot. No offline progression.
Start the game, first welcome window comes up and tells me to buy a slime or whatever. Then the game just does nothing, no buttons work, nothing happens. I'm meant to go to the units section but none of it works. Clicked everywhere with no luck at all. Very odd. Restart and reinstalled the game repeatedly and still no luck. Game literally doesn't work. Edit: Managed to get it to work in the end, the new issue is now that basically nothing is explained, I get the impression this game was only tested by the dev who knew already what everything does, but no explanation does mean a lot of this stuff is just stats with no real meaning to the player.
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