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Play OverviewPlay Overview

OCO (2021) is a sliding and jumping game set with simple colourful levels each set in a rotating planetoid. Unlike other platform games, you control everything with a single button. Each different colour of platform you slide along grants different abilities and you change direction when you hit a wall. You need to not only time your jumps but plan your route.

Play involves working through the 180 hand-crafted levels to collect each of the small orange boxes. Although you only use one button, you can still launch, rush, crash, glide, warp, and hang. These abilities are all triggered by a single button and determined by the colour of the platform you last touched.

You are awarded points for completing levels in the quickest time and with the fewest taps. At the end of each level, you get a score that you can perfect by repeated attempts.

The game includes a level designer so you can create and share your own designs. You can also try out level designs that other people have created and share in the community. There is an avid and active player base competing to create the best levels and get the best times on other people's levels.

The result is a precise platform game played with one button. The simple visuals are complemented by audio that is procedurally generated by your actions in the game. It might seem simple but actually offers a nuanced and complex challenge.

Our examiner, Andy Robertson, first checked OCO 2 years ago. It was re-examined by Jo Robertson and updated 12 months ago.
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Play StylePlay Style

This is an Action and Traversal game with Collecting, Creative and Platform elements. This is a single-player game. You can compete with other players all over the world to get the fastest time on each level. There's a top player leaderboard where you earn points by completing levels. There's a creator leaderboard as well, that ranks them on the quality of their creators. There are weekly Speedrun and Endurance challenges.


Play Time: This game will take between 6 hours and 7 hours to complete. Each round will take a number of tries. Later levels may take up to 30 minutes to finish.

Age RatingsAge Ratings

Content Rating

This game has been rated PEGI 3.
This game includes adverts on some platforms that are watched to unlock additional content. Note that these adverts are not covered by the age rating and may include older-rated content.

Skill Level

7+ year-olds usually have the required skill to enjoy this game. Still, it’s important for parents and guardians to ensure they understand in-game purchases and have spending limits set-up.


OCO usually costs £3.99.


Steam Store PC £3.99
Steam Store Mac £3.99
There are the following additional costs associated with this game:
  • In-Game Purchases: Additional in-game purchases are offered for items that enhance the experience.
  • Advertising: Smartphone or Tablet version of this game includes adverts. This varies in form but watching ads is often incentivised by unlocking additional content and progress in the game. Note that these are not covered by the age rating and may include older-rated content.
The PC and Mac versions do not offer or require any in-game purchases.

The mobile game is free and supported by adverts. You can purchase a pro version of the mobile game that removes ads and offers more challenges and cross-platform colour saves. You can purchase currency in the mobile version to unlock level solutions, worlds and more options in the online section. Currency and these items can be acquired by playing the game. 
It's important to set up your accounts and devices appropriately. More information is on our Financial Resources page.

DetailsGame Details

Release Date: 11/08/2021

Out Now: Android, Mac, PC and iOS

Skill Rating: 7+ year-olds

Players: 1

Genres: Action, Traversal (Collecting, Creative and Platform)

Accessibility: 20 features

Components: 2D Side-On

Developer: Spectrum 48 Games (@Spectrum48Games)

Taming Gaming Book Written by parents for parents, the database complements the in-depth discussion about video game addiction, violence, spending and online safety in the Taming Gaming book. We are an editorially independent, free resource without adverts that is supported by partnerships.

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