
Engineer the marble run of your dreams. No need to get it perfect – just release your marbles and let the good times roll.
Modeled estimate, not a reported figure. How we estimate →
About
Cozy Marbles is a comfy game about building marble runs. Using a huge range of bits and pieces from charming homes, fairytale realms and starlit spacecraft, fit together the marble course you’ve always wanted to build and play with. Unwind to a bespoke lo-fi soundtrack and roll with the nostalgia.


Tinker with freeform construction tools and a rich library of parts. Design awesome spirals, twists and drops, then roll your marbles off on their adventure. Take “playing with marbles” to a whole new level by guiding them across complex courses, bouncing over obstacles with boosters, ramps and cannons, floating dreamily through anti-gravity fields, and even making music with xylophone blocks.
Play in a range of environments with themed parts:
A mellow Living Room, in daylight or at night.
A whimsical Fairytale Tavern, the perfect place to build a castle coaster or labyrinthine mushroom forest.
A mesmerizing Space Station for high-tech futurism including portals and laser tunnels.

Build your marble run from wood, metal or plastic, choose its colors and give it a name. Customize your marbles with a range of colors, patterns, national flags, facial expressions, stylish hats and silly little arms that flail while rolling. Beat challenges to unlock even more customization options, track pieces and environments.

Cozy Marbles is a little game with a big brain. Plan and experiment with all sorts of marble constructs, from marble rollercoasters to wacky apparatus. Watch your marbles flow through carefully laid routes… or fly way off track!

Assemble a marble course, drop your marbles and watch them race to the end. Use checkpoints to split the track or set up multiple start and finish lines wherever you want. Make your race sweet and simple, or huge and complex with tons of laps and hundreds of marbles! May the best one win.

The next step after perfecting your marble masterpiece (or diabolical marble trap) is to share it with the world. Export and import courses to show off your build and try everyone else’s. If you’re a streamer, use Twitch integration to let Twitch Chat drop marbles into your course and join your race!
We think you'll love Cozy Marbles if you enjoy...
Marbles on Stream, Marble World, Tiny Glade, Satisfactory, House Flipper 2, Small Spaces, PowerWash Simulator 2, Islands & Trains, Tiny Book Shop, Supermarket Simulator, Sticky Business, A Little To The Left, Rollercoaster Tycoon, Hozy.
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Add-ons
Each DLC is estimated with the same model as a game, then summed — a modeled figure, not reported DLC sales.
Engagement
Reviews
Themes across 127 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
My only complaint is that I can't pick up and move individual marbles. Other than that 10/10, The perfect marble set I wish I had as a kid.
great if u like sandbox games but try to figure out momentum and others with the big tracks
想要一個彈珠回收組件
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This and every other Pro feature is free until October 20, 2026. A free account is all it takes.
Languages: English, French, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Turkish
Hours played at review time, across 127 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Yes
Great starter kit for a marble run sandbox, no cleanup required. There are lots of options to keep you busy experimenting from the moment you're done with the tutorial. I do wish that none of the pieces were locked behind challenges, though. I felt like I had to grind too many of the challenges to unlock all the best pieces. If I had my way, challenges/unlocks would be purely for cosmetics and a compromise would be only having to unlock the more mechanical pieces like elevators, etc. Also, right now, achievements do not unlock. I couldn't care less about achievements but hopefully that will be something high on the list of bug fixes if you do. Overall, thumbs up as this is a great way to be creative for a while.
You can tell immediately this is passion project, there's just little details that show how much the devs cared when creating this. I've played a couple of marble games, even remember playing a puzzler "Marble Drop" back in the 1990s, this is leagues ahead of most. The controls are fluid and very intuitive. The tutorial is quick and gives enough basics to get going within 2-3 minutes and you're off and running. All components are crafted very well and there's enough freedom for random things to suddenly happen like a single marble will jump off the track when it gets unexpectedly hit by another marble at the wrong point. One of those games you don't mind paying for the game and supporter pack. I genuinely hope the devs stick with it for a while and keep adding more components.
Pretty simple and entertaining marble run simulator.
Achievements don't unlock.
Fun No issues
Really cute game that is extremely addicting if you're someone who likes to watch marble runs or just like building things and watch it all! The building is easy to understand and it's very easy to make new levels. There is a good amount of variety for the parts you can use and there's more you can unlock.
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See how fast this game is selling right now — estimated copies and revenue per day from recent review growth.
Active players
Estimated daily and monthly active players (DAU/MAU) modeled from peak concurrency.
Players by region
Where this game's players are, estimated from review languages.
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