Pixactly
A pixels test to quiz your knowledge.
The Bezier Game
It’s all about the Pen Tool.
Kern Type
The Kerning Game
Color
A Color Matching Game
FlexBox Froggy
A game where you help Froggy and friends by writing CSS code!
FlexBox Defense
Your job is to stop the incoming enemies from getting past your defenses by using CSS code.
CSS Diner
A simple but fun way to learn CSS for beginner coders. There are 32 levels that will teach you the basics of how CSS selectors work.
Code Wars
Helps you improve your Swift skills by training in challenges with others.
CodinGame
Offers up fun free open-source Swift programming games to help coders learn