
Ruby and the Lost Crystals is a calm third-person puzzle adventure where you swap between two characters to solve puzzles. Use physical interactions, magical projectiles, and object-swapping to unlock paths, reflect lasers, activate platforms, break obstacles, and explore ancient ruins.
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About
Ruby and the Lost Crystals is a calm third-person puzzle adventure where you swap between two characters with unique abilities to solve magical puzzles, activate mechanisms, and explore the ruins of a forgotten civilisation.

You control:
Ruby, a young girl who can physically interact with the environment: push blocks, turn capstan, activate pressure plate and jump.
Sapphire, a magical stone fairy who shoots projectiles to illuminate crystals, activate platforms, and swap the positions of objects.
Switch between the two to solve puzzles combining logic, spatial reasoning, timing, and magical interactions.
Each area introduces new mechanics, combined in creative ways as the game progresses:
Illuminate lost crystals
Redirect and combine coloured lasers.
Teleport objects to create paths and platforms
Move blocks and platforms to reach new areas
Interact with pressure plates, rotatable structures, or long-range triggers
The puzzles are handcrafted to challenge your thinking without ever overwhelming, encouraging experimentation and observation.

This peaceful third-person puzzle adventure invites players to explore two handcrafted zones filled with ancient ruins, magical devices, and hidden secrets. Through a blend of light dialogue, stylised visuals, and an evolving original soundtrack, the game offers a calm and focused solo experience built around thoughtful interactions and the cooperation between two unique characters.
Genres
Stats
Languages: English
Engagement
Reviews
Themes across 40 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
It's a cute little adventure/puzzle-platformer. Not bad for a free demo. My only complaint is the lack of a save function. It got a little frustrating having to start from the beginning every time I quit the game. Other than that, I liked it. Solid 8/10.
Fun little demo, promise for the full game Biggest problem with demo is no obvious settings menu. music was too loud. Dont think that the save works either
No where did it tell me that this wasn't a full game. The game play that is there was mostly acceptable, but there was one puzzle that when I took a step, it became impossible and I had to start the entire game over. It wasn't terrible because it was near the beginning, but later they set up checkpoints. I enjoyed what I was able to do, but I don't like feeling trapped with non completion. Add on to that, why are we even doing this? Is the end goal even what we need to do? If going back to the beginning was an option, why wasn't it done in the past? Was the nap too powerful? Lastly, the game play video steam has gives hints to several of the puzzles. If you choose to play this, there are several good things about the game. The puzzles are fun, the pace is relaxing. Part of my reason for not recommending it, is because of how it messes with my head. One of the biggest things I object to, is there are conversations that start upon reaching certain areas, and they go by extremely quickly. I read somewhat slowly, so I can't read the entire sentence before it goes away. Also, I feel like the story is empty, thrown together to try to say there even is a story.
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Trends
Concurrent players on Steam, sampled daily since tracking started.
Hours played at review time, across 40 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
3d puzzle game, where the environment looks well done. It's free and probably will only take you less than an hour to beat it
I adore, adore, adore the main mechanic of this game. The graphics are cute, the writing is a little too over explanatory, and it's not 100% optimized. But, overall, while playing this i kept saying if this was fleshed out, i'd so buy it. The spell system was that fun!
Cute demo, the art direction is very relaxing and I especially liked the ambience a lot!
Great little game, and a fun speedrun - really hope to see more of this game in the future!
i desire the full thing
it was a cool game, but it didnt have an ending.
Gerat fun game. Finished the game. Full gmae takes approximately 1.5 hours. If you haven't played Ruby and The Lost Crystals give it a go. Just be aware there is no save or auto save so you have to finish it in one sitting or through the day. It took me 1.5 hours. If you did it rigjt you should smash the LAST BIG CRYSTAL at the end and they tell you theres 3 more but then up pops an on screen message saying you have restoredt he crystals thanks for playing. the game does continue on after that but there's nothing to do after that unless you want to explore, but therei's nothing to colelct and no achievements so not worth continue playing after end game. Nice graphics though. Acceptable run speed,. Challenging laser puzzles. Laser puzzles go from easy to medium difficulty with rotating levers and using special skills to change the colours and using mirrors (later on) to rebound shots. 8/10 final rating.
Momentum
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.