Free
CSS Battle
Recreate target images in the shortest CSS code possible
Practice PrepCSS code golf challenges
12 tools like CodinGame, chosen by what they do. About CodinGame

Recreate target images in the shortest CSS code possible

Game-based coding lessons in Python, JavaScript and C++


A browser game that teaches CSS flexbox layout step by step

Real frontend projects with designs and code reviews

Build your own Redis, Git, SQLite or Kafka from scratch

Open guide to large-scale system design and interview prep


Front end interview practice with coding questions and solutions

Game-style coding course for backend, DevOps and data paths
