Developer: Gem
At a glance
12 Steam reviews rate it “Mostly Negative” (33% positive). Released on February 14, 2026 by Gem. Current price: $2.99.
Description
Miners' Union is an incremental game about mining coal and growing your union.
Mine Coal and Make Money
Upgrade to Improve Your Miners' Abilities

Prestige and Grow the Union
Prestige (reset your progress) in order to hire new union members with unique abilities to grow your union stronger.
Supported languages: english
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Description and screenshots are provided by the publisher via the Steam Store page.
System Requirements
Windows
- OS *: Windows 7 64bit
- Processor: 2 Ghz, Dual Core
- Memory: 1 GB RAM
- Graphics: Dedicated GPU
- Storage: 400 MB available space
- Additional Notes: Requires a 64-bit processor and operating system, requires a GPU with Vulkan support
- Graphics: Tested on Nvidia RTX 3060 Ti
- Additional Notes: Requires a 64-bit processor and operating system, requires a GPU with Vulkan support
User Reviews
Gets repetitive fairly quickly
Game works fine. Graphics are fine.
The UI has some minor problems as tooltips are not always shown properly.
Why I don't recommend this game:
- Prestige system is weak
- Transition window takes longer than the actual gameplay. Most of the time you're just watching the pickaxe animation.
Low dopamine, very very boring. Upgrades are mostly useless
6/6 achievements, reivew time.
has good progression, felt good as youd expect from this type of game. sadly is lacking achievements to keep the gameplay loop going. after 3 or 4 prestiges, you have everything in the skill tree before you can prestige, nothing else to spend the money on. idk if its worth the price, didnt spend much time on the game and wasnt all that much to do. could totally see another 40 or so achievements for this little game to get the avg time on game 3 or 5 hours but thats up to the dev
Definitely a flawed game, several bugs, some upgrades that seem basically pointless and/or don't work, and the prestige upgrades are either basically worthless or completely OP. In spite of all that, it's only $3, and I had fun with it for the first couple runs. I'm happy with what I got out of it.
Additional Information
| Developer | Gem |
| Platforms | Windows |
| Age rating | None |
| Release date | February 14, 2026 |
| User reviews | 33% positive (12) |