Flexbox Adventure
Write flexbox CSS to help King Arthur win back his gold
Flexbox Adventure is a story game about CSS flexbox. King Arthur traded his gold to three alchemist brothers for Bit Coins and never got it back. You help him get revenge by writing flexbox CSS to solve each level.
Free · Browser · Beginner

About Flexbox Adventure
There are 24 levels in easy, medium and hard modes. They cover justify-content, align-items, align-content, flex-direction, flex-flow, order, align-self and flex, and a companion guide explains the other flexbox properties. It suits beginners who know basic CSS.
The game runs in the browser and is made by Coding Fantasy, the team behind Grid Attack. The game page does not list a price, and a 2021 write-up described it as free.
On Breakpoint since 23 Oct 2026.
