The premier coding challenge platform. Solve algorithmic puzzles, build real projects, and compete with developers worldwide.
Answer to earn gCred — Green Credits you earn by learning, competing, and doing good. Hit 30 to unlock Level 2.
Snap a photo of your code, add a note, and submit. Join the gallery and climb the leaderboard.
Brands back AI & Tech to reach an engaged, on-topic audience. Prizes, placements, measured attention.
Cash or in-kind (donate product/materials). Tell us your category — we'll match you to the zones where your audience already plays.
New challenges and weekly leaderboard resets — to your inbox. Plus your own share link to earn gCred.
Sponsors, partners and players — send a note and the CodeChallenge team will get back to you.