Keystones: Foundations
Cheapest right now: $1.59 USD at Steam (20% off). 1 store compared, checked 13 Nov 2026.
Grab, slide, rotate and tumble stone pieces as a little slime in a 3D puzzle game. Match faces, rearrange supports and plan your next foothold across 100 campaign levels, each with five difficulty variants.
Platforms: Windows, macOS
| Store | Price | Discount |
|---|---|---|
| Steam | $1.59 | 20% |
Is it a good deal right now?
$1.59 USD at Steam is 20% off. We have no record low for Keystones: Foundations to compare it with. The regular price is $1.99, so $1.59 saves $0.40. The Steam discount ends on 19 November 2026 at 18:00 UTC.
Price history
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Screenshots
System requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 (64-bit)
- Processor: Intel Core i5-4670K / AMD FX-8370
- Memory: 4 GB RAM
- Graphics: NVIDIA GeForce GTX 1050 Ti / AMD Radeon RX 570
- DirectX: Version 12
- Storage: 3 GB available space
- Additional Notes: Will be updated soon
Recommended
- Requires a 64-bit processor and operating system
macOS
Minimum
- OS: Will Update
As listed on the game's Steam page.
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