Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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97% positive of 73 · Very Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
Mine. Maze. Merge. Survive. Dig for powerful gems, merge them into game-breaking towers, stack buffs, and pick roguelike perks to build wild synergies. Do not let enemies drag your miner to the lava!
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 97% on 2026-11-01 → 97% today (73 reviews)
No authorized Steam key store lists this game right now.
Works great on Steam Deck. Results from Valve's own testing.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Co-op & New Season Testing
Added a limit of 3 entries per player. Each user's best 3 entries will be included in the PvP leaderboard. Increased the limit of total entries in the leaderboard from 50 to 200. Why? To make the leaderboard more competitive and allow all players to compete on…
Update 1.006 brings a massive visual overhaul to the Gem Merge UI and targeting UI, alongside pathfinding fixes and balance adjustments. New season on March 9th!UI & VisualsGem Merge UI Overhaul: Major visual update including better spacing, clearer rarity glo…
We have a massive update for you today! Version 1.005 brings a brand new Augment, tons of fixes and performance optimizations for late-game, and a reworking of the UI to better support Steam Deck and smaller screens. We are also including the changelogs for ho…
Demo has received a huge update, packed with improvements, balancing tweaks, new visuals and new features like run saving system. Also includes a new Gem that buffs all starter Gems in the map and a few augments, like Slow Aura for your miner!Plus, we’re kicki…
Massive demo update is here! But first, an important announcement.The original release date was December 12, 2025.After a lot of thought (and reading tons of your amazing feedback), I’ve decided to postpone the release to January 20, 2026.🗓️ New Release Date:…
The biggest demo update yet brings new systems, content, and visuals to Gem Miner TD just in time for Steam Next Fest and Finnish Games Week!🚨 Release date locked in: December 12, 2025 January 20, 2026! Mark your calendars (or save yourself the trouble and wi…
I've been pretty quiet lately.That's mostly because I've been busy. Very busy.The next update has grown far beyond what I originally planned. What started as an update has turned into a completely new season with 200+ lines of patch notes already written, cove…
Raid PvP is here in Update 1.011!The waiting is over! We're thrilled to announce the launch of Async PvP, a new competitive game mode that puts your strategy, build, and gem combinations to the ultimate test against other players around the world.How It Works:…
The Spark Season has arrived! ⚡It’s time to say goodbye to the Pre-Season and officially kick off the Spark Season! To celebrate the new season, we are thrilled to announce that we are participating in the Steam Tower Defense Fest!Starting right now, you can g…
Thank you for the incredible milestone of 1,000 copies sold!It’s been a crazy journey, and I’ve probably yapped enough about all the emotions already (especially if you’re on the Discord).Truly though, thank you. You have my deepest gratitude. 💙Celebration ga…
Oh man. The past few days have been some of the most anxious of my life. So many emotions I didn't think existed. This passion project that my brother and I have been working on for 4 years is finally out and I cannot believe it. What a crazy journey it has be…
Take it easy with a brand-new "Reforged" game mode, perfect for a more relaxed run to learn all Gems the game has to offer. Plus, meet Serpentine, the latest Tier 3 Gem, pushing the demo’s roster to 38 Gems!New Game Mode: ReforgedA more casual, laid-back way t…
Demo updatesSince June, we’ve been hard at work making the Demo the best it can be! Here’s what’s new:New content: Second map (Frozen Trail), tutorial, Gem ability system, unlockables, Miner health system, and more augments & gems.Systems & features: Miner pas…
After 3 years of hard work, the day has finally arrived! Gem Miner TD Demo is live!Inspired by the legendary Warcraft 3 custom maps, this is just the beginning. Play it now!We will be adding more content and tweaking things based on your feedback, so stay tune…