
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
its one of the best games in my library! i played during the playtest and skipped the demo but all my levels are still there :O
ただビー玉が転がるさまを見るだけだが、なぜか楽しい。
I was intrigued by this game as I love Marble World and this one caught my eye, however after finding out that the games release will pretty much be how it is and that there are no plans on meaningful updates to the game going forward its just not for me as there is not quite enough there for me to get excited about so I refunded. I will say though that some people may get enjoyment out of this as it is (especially at its price point).
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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
全幼稚園生の夢がここにありました。
I've always been an enthusiast of any and all things related to marble runs and marble run creation, and among all the marble run sandbox games I've played and/or looked into, Cozy Marbles definitely has a lot of advantages over its competitors. While games like Marble World definitely have way more tools, track pieces, and their customization is way more free-form than Cozy Marbles, the latter of these is a bit more structured and modular by comparison, leaving little room for track misalignments. If misalignments DO happen, they can easily be adjusted and tweaked. The physics are another aspect where Cozy Marbles has a leg up... well... sort of. While the marbles roll with a bit more of a satisfying weight and speed, ESPECIALLY when it comes to rolling in funnels, where the physics fall short (at least in the game's current condition), is the randomness. As I and others have noticed, the pathing of the marbles is almost always the same, only ever diverting from that through exterior intervention (a moving block/pin, another marble, etc.). I'm sure a simple patch will weed this issue out, among others, but until then, I don't see this stopping me from still making some interesting marble runs with the already amazing set of track pieces available. Heck, I don't think I've ever seen anyone do metal rails the way Cozy Marbles does. This review will be edited/updated as the game continues to grow, all that to say, even in the game's current state, I wholeheartedly recommend it for anyone who has ever had any love for marble runs at any point in their life!
Love the game so far, scratches that specific itch in my brain, I just wish there were more big pieces that fit together or you could maybe modify them. Also that supporter pack message will not go away. I have restarted 10 times, still stuck on my screen.
A really fun little marble run and race maker that does exactly what it says on the tin. It doesn't have the depth or complexity of some others, but it wins out with a much more friendly interface that doesn't feel like you're positioning meshes in a game engine. It would benefit from some more blocks, but it's a lot of fun as is.
I am having such a good time playing this game. I've been looking for a slower paced game for MONTHS trying to just relax for a while. This is definitely it. There is so much to do I can feel my little monkey brain working. I like the shop system because it encourages you to really dive into the game without it feeling like you HAVE to grind achievements. The game is plenty playable without the shoppable items. I'm obsessed with silly marble racing online, so getting to make my own little races is such a good time. The customizable marbles make me giggle. The only thing I can think of to mention is that the track pieces feel pretty 1-lane heavy and trying to build wider lanes is a little frustrating and the races are my favorite part! All the pieces seem to go down? Perhaps I'm missing something or I need to think more outside the box. I can't wait to spend more time on this and I'm excited to see what else they'll do! :)
Object placement is way too restrictive, even when you tweak settings. It's impossible to get really weird with it, and often even basic ideas are frustrating to get to work.
Its a good game, its cozy and fun. Its a sandbox game, where you build tracks and other things and watch marbles run down the tracks. Its overall great, but i feel like there's a lot of "QOL" quality of life, missing, there's a bunch of small stuff you might get frustrated with, like it having no mirror mode, big tracks only going slightly down or slightly up and having no straight option for it. There's a bunch of small things that gets on my nerves. Other than that, its a great game.
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Estimated daily and monthly active players (DAU/MAU) modeled from peak concurrency.
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Where this game's players are, estimated from review languages.
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