Gamified coding katas that level up your skills
Introduction
Codewars turns coding practice into martial-arts ranking: completing katas raises your rank, and community solution galleries show hundreds of ways to solve the same problem. Browsing others' solutions after submitting is the biggest learning source — a uniquely fun, ranked, crowd-smart practice experience.
Key Features
- Kata problems with rank system
- Multi-language solving
- Community solution galleries
- Author katas with review
- Clans and honor leaderboards
Pros
- High learning value from solution galleries
- Fun enough to sustain habit
Cons
- Leans puzzle-like over interview-realistic
Pricing
Free to use.（See official site for current pricing）
FAQ
How does ranking work?
8 kyu (novice) to 1 kyu (expert), then Dan ranks.
Good for interviews?
Good for fluency; LeetCode is more interview-targeted.
Languages?
Fifty-plus languages.
Related Sites
Collected on lucifer.city · Reviewed by the founder