Ruby and The Lost Crystals
Third-person puzzle adventure about switching characters to solve magical puzzles
Ruby's Team · Published by SAE-Institute Geneva · Released Jul 20, 2025
- Reviews
- Very Positive
- 86% of 56
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 28, 2026
- Steam Deck
- Untested
- Last update on Steam
- 1 year ago
- Jul 19, 2025
What is Ruby and The Lost Crystals?
This free, single-player, third-person puzzle adventure follows Ruby and the stone fairy Sapphire as they light lost crystals across two zones of ancient ruins. Ruby pushes blocks and operates mechanisms, while Sapphire fires projectiles and swaps objects' positions. You combine their abilities to open paths, activate platforms, and redirect colored lasers.
For you if...
- +you enjoy puzzles based on timing and spatial reasoning
- +you like searching ancient ruins for hidden secrets
Not for you if...
- −you want difficult puzzles with a steep learning curve
- −you want cooperative puzzles to solve with friends
What players say
86% of 56 reviews are positive
Players praise the approachable puzzles, calm atmosphere, art style, and peaceful music. Common complaints concern missing saves and settings, particularly the inability to disable motion blur. Some reviewers also criticize the abrupt ending and unfinished feel.
Screenshots and trailer
Ruby and The Lost Crystals system requirements
Minimum: GTX 750 Ti, 8 GB RAM, 3 GB of disk space.
As published by the developer.
Can my PC run Ruby and The Lost Crystals?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 10 64-bit
- Processor
- Intel Core i5-2400 / AMD FX-6300
- Graphics
- NVIDIA GTX 750 Ti / AMD R7 265
- Memory
- 8 GB RAM
- Storage
- 3 GB available space
- DirectX
- Version 11
Recommended
Requires a 64-bit processor and operating system
Does Ruby and The Lost Crystals have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Ruby and The Lost Crystals run on Steam Deck?
Untested Not yet tested by Valve on Steam Deck.
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Family Sharing
- Languages
- Text only: English.
Does Ruby and The Lost Crystals use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam
