blue

Reviewed by our games team · Updated June 20, 2026

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Turn the whole screen blue across 25 clever click puzzles

blue at a glance

Make the Whole Screen Blue

blue is a clever little puzzle game with one delightfully simple goal: make the screen blue. It is the latest in a series of color-themed brain teasers, following Yellow, Red, and Black, and it carries on that tradition with 25 levels to solve. The catch is that each level has its own challenge, so there is no single trick that works throughout. Instead, every screen hides a fresh puzzle, asking you to poke, tap, and experiment until you figure out how to flood it with blue. That sense of constant reinvention is the whole appeal, since you never quite know what the next level will ask of you. For fans of minimalist, lateral-thinking puzzles, it offers a steady run of those satisfying aha moments where a baffling screen suddenly clicks into place.

Twenty-Five Inventive Levels

The strength of blue lies in how varied its 25 levels are. Because each one presents its own distinct challenge, the game keeps you guessing from start to finish, with no two puzzles solved the same way. One level might hinge on noticing a hidden detail, while the next could require a specific sequence of clicks or a bit of playful experimentation. This refusal to repeat itself is what makes the game so engaging, rewarding curiosity and a willingness to try unexpected things. There is real charm in the way a screen that seems impossible at first slowly reveals its logic once you start interacting with it. Working through all 25 levels feels like a tour of small, self-contained puzzles, each crafted to surprise you, and finishing them all delivers a genuine sense of accomplishment.

A Bart Bonte Puzzle

blue was created by Bart Bonte, the developer behind bontegames and a long line of beloved minimalist puzzle titles. His color series, of which blue is a part, is known for its clean presentation and inventive, thoughtfully designed challenges that make the most of a simple premise. If you have enjoyed Yellow, Red, or Black, this entry delivers the same satisfying blend of curiosity and clever design, now centered on the color blue. It was released in June 2019 on Android and iOS, with the HTML5 browser version arriving in September 2019, so it has reached players across platforms. The desktop version you play here contains the first 25 levels, while the mobile version offers 50 in total. That pedigree and polish are a big part of why the game feels so rewarding to play.

Controls and How to Play

blue keeps its controls about as simple as a puzzle game can be, which suits its point-and-click nature perfectly. You use your mouse to play the entire game, clicking and interacting with each screen to discover how to turn it blue. There is nothing else to learn, so all your focus goes into observing and experimenting rather than wrestling with any complicated input. That accessibility makes it welcoming for players of all ages and ideal for a quick, brain-teasing session. It runs free in the browser on desktop and mobile, and it also has a mobile app available from Google Play and the App Store if you want to keep solving on the go. The tables above sum up the goal and the game's details, so all that is left is to start clicking and see how blue you can make the screen.

Get blue on your phone

blue also has a mobile app. Keep playing here, or get it from Google Play and the App Store.

Common questions about blue