Crystal Keeper - Steam Charts & Historical Stats
Mine crystals and defend your wall in this survival defense game. Explore historical player activity and pricing for Crystal Keeper. Player-count data was last observed Apr 30, 2026.
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Buy Verdict
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Value Score
Price-to-player ratio ranks in the 50th percentile.
Price History
System Requirements
- OS *: Windows 7, Windows 8, or Windows 10
- Processor: Any processor with 2 Cores
- Graphics: AMD or NVIDIA videocard with at least 512MB, or Intel HD Graphics
- Storage: 1 GB available space
- OS: Windows 10 or Windows 11
- Processor: Any processor with 2 Cores
- Graphics: AMD or NVIDIA videocard with at least 1024MB
- Storage: 1 GB available space
Additional Information
Current Pricing
Additional Information
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About This Game
Mine crystals and defend your wall in this survival defense game. Balance resource gathering with combat as you upgrade your way through endless enemy waves.
Detailed Description
A tiny survival defense game about mining crystals and defending your wall.
Your base is under siege! As the keeper, you mine crystals while fighting off endless waves of enemies. You'll upgrade your defenses, boost your mining efficiency, and unlock powerful abilities as you see how long you can survive.
Every few waves, pick from three random permanent upgrades that shape your strategy. Will you become an unstoppable warrior who barely needs walls? A mining tycoon with impenetrable automated defenses? Or find your own path to survival?
Can you find the perfect balance between gathering resources and defending your walls?
And of course, don't die...
Features
⚔️ Dual gameplay - mine crystals while defending your castle
💎 6+ different upgrade paths to develop
🏰 Turrets, auto-drills, and defensive structures to build
📈 Idle progression with active gameplay elements
🌊 Endless waves with increasing difficulty
🎯 Permanent upgrade choices every few waves
⏰ 1-2 hours to reach late game content