OCO
one-touch puzzle-platformer
Ratings
Age
4+
Category
Games
Languages
English
Tue Aug 11 2026
- Minor bug fixes
OCO is a visually stunning, minimalist puzzle-platformer where you control a small square navigating circular, rotating worlds. With simple one-touch controls, you must time your jumps to collect yellow bits while avoiding red hazards. The game features 150 levels in its main campaign, a robust level editor, and a global community that has created thousands of additional challenges. The experience is heightened by a procedural soundtrack that reacts to your every move.
Dinsun Expert Review
Our Expert Score
OCO is a minimalist's dream. The circular level design is really clever and forces you to think about timing in a different way than standard 2D platformers. The 'one-button' controls are deceptively simple, but the puzzles quickly become complex as you deal with gravity and rotating hazards.
The best part of OCO is the community levels. There is a nearly endless supply of content, and the built-in level editor is surprisingly powerful. The soundtrack is also procedurally generated based on your actions, which makes every successful run sound like a unique piece of electronic music.
Features
Simple one-touch controls
Procedural audio and minimalist visuals
150+ hand-crafted levels
Cross-platform global leaderboards
Tips & Walkthrough
In OCO, momentum is everything. Use the rotation of the level to your advantage; sometimes jumping 'backwards' against the spin is the only way to reach higher platforms or avoid traps.
Gameplays
Tap the screen to jump as your character automatically moves along the rotating environment. Collect all bits in the fewest jumps possible to earn perfect scores.
Screenshot
Q&A
Yes, OCO includes a full level editor that allows you to create, share, and play levels made by the community.
Ratings & Reviews
Great creator community and a responsive developer.
Tue Jun 22 2021 Patrick S-SThe game is simple yet challenging, and makes you think how can I complete this level more efficiently. The ability to make your own levels without any extra cost is rarely seen anymore, on top of that it includes the ability to publish and share your levels. You can even save them to come back later and continue where you left off. The player and creator community is an amazing experience a great mix of just enough competitiveness while maintaining being helpful to each other. The developer is also active in the community and listens to players. Overall you will not be disappointed by this game; the level creation will you playing even after you’ve completed the game.
Good but...
Wed Apr 01 2020 Dreik78The game has good potential and I have uploaded 57 levels so far, but sometimes I can’t and the blue upload button turns gray and when I tap it, it says slow mode activated. I have no clue what that is or how to get rid of it. I have to RESTART the WHOLE game (and sometimes it doesn’t even work) just to remove the slow mode thingy. Because of this, my level gets deleted and I had to restart it from memory. So why not put it in the save thingy? You might ask, well it just saves the name, not the level, so the save thingy is USELESS!!!!! And now, I don’t know if there’s a limit or something, but I can’t upload a certain level. (I tried 3 times. Still didn’t work.) I put it in the save thingy just in case, and made a new level. This time, it said the same slow mode thing as before, so I just gave up. After this thing, I’m not playing OCO until you fix those things and take away the terrible slow mode thing that I don’t want to explain again. (Please?)
I’ve never given 5 stars to a game with ads
Sat May 30 2020 BrandroidFrizzleIt’s refreshing to find a fresh puzzler with a new, unique mechanic. It’s a great game, very inventive so far. It’s not the best puzzle game I’ve played (Id rate Yankai’s Peak as better) but really really good. I’ve pretty much played all of them that I can find. It’s free but I wish I could pay $2-3 to turn off the ads. :( They aren’t super obtrusive but they are there. I typically delete a game immediately if it shows me ads but this game is engaging enough I’m still playing. They also waited an appropriate amount of time to ask me to review it (I’ve played maybe 40 levels) so kudos to them.
Please add back online features!
Mon Sep 11 2023 H U H W H A TY’know, I liked the online feature. I want you to bring it back because it would have joyed me to come back into this game and see how many likes my levels had. But you just had to remove it! I don’t know why, but you did. And it is just really painful to see that all my likes were removed and it is B A D. So please, just add back online features! 🥺🥺🥺
Great game!
Tue Jun 15 2021 DesklimeOverall a pretty fun game. I love the ability to create and share levels, but In the future I would like to see the ability to like levels without completing them first, as sometimes I see a really difficult level that I like but can’t give it a like rating unless I finish it first, which can be a challenge for newer players. I also liked it better without so many ads and without all the paywalls with Olympus and all that, but I understand that the developers have to make money off of it somehow. Overall 4/5 would recommend!
Amazing, but make sure you use WiFi
Thu Apr 04 2019 MrSkinnyFingersThis game is perfectly paradoxical for its simplicity is what makes it entertaining. This game takes a different spin to puzzlers out there, and I can’t say that I know any other game like it. However, there appears to be a bug that hinders our fun. If you plan to take this game on the road, I hope you have a portable WiFi router because it cannot function without WiFi, not even Cellular Data can suffice as a replacement. May you please, the developers of this game, find the issue and eradicate it so this delicacy may not be tarnished.
Best game ever!
Mon Jun 10 2019 123CleverFoxThis game is so fun and entertaining. It is difficult at times, but not so difficult that you can’t play. It also includes a feature where you can create your own level and play other peoples levels. My only problem is that there are adds, but not to many. I like how you can get 200 bits just by watching one add. Thank you for creating this awesome game!
Overall very solid.
Tue Dec 17 2019 TheAnswerIsSixSolid concept, simple and yet novel in its approach. Puzzles are fun, this ads done right—they’re present because they’ve gotta be, and they really aren’t egregious. Took off a star for some of the styles of the puzzles. There are a couple that, to achieve perfect on, you’ve got to make several jumps with a terribly small margin of error. I dont need speedrun practice training built into my puzzle games. The strategy of figuring out fastest route for time, as well optimal jumps, is solid enough.
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