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Gemporium: A Cute Mining Sim

Also known as Gemporium: A Cute Mining Sim, gacms, gemporium a cute mining sim

Mine, refine, and sell gemstones in Gemporium, a cute, fast-paced shop management game. Upgrade your tools, expand your store, and master the daily rhythm of digging, polishing, and turning a profit to pay off your debt, one gem at a time.

Last update
6 Aug 2026
Players now
6

Latest update

Patch notes

Introducing Pelikeeper!

Hello Moles! ːmoelLoveː It has been quite a while since our last announcement, but we finally have some big news to share :)) Our next game, Pelikeeper, has a demo out now! ːmoelPointː Pelikeeper Demo We're very excited…

2 changesUI/audioGameplayRead patch notes

Update history

Browse past updates and patch notes for this game.

23 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 20 Steam achievements, sorted by player unlock rates.

  • Oops!Crack your first gem.97.0%
  • Gem EnthusiastSell 10 gems.91.7%
  • BudgetingPay early towards your debt.73.4%
  • Gem SalesmanSell 100 gems.66.6%
  • RecklessCollapse a mining vein by hitting a support beam.61.3%
  • Digging Straight DownUnlock a deeper section of the mines60.9%