Challenges

Ready to level up? Dive into our coding challenges to have fun and acquire new skills.

NEW! Grow your skills

Challenges offer an easy way to test your understanding and pick up some additional skills along the way.

Add your entry to the challenge

Put your coding skills to the test and share your answer with everyone. We're excited to see what you've come up with.

Time to discuss and vote

Explore the diverse solutions from our community. Share your thoughts through comments, ask questions, and appreciate great code by casting your vote for the best entry.

And the awards go to...

Your brilliant solutions earn you special recognition! We'll be highlighting top contributors and insightful approaches, so put your best code forward.

Are you interested in Challenges on Stack Overflow?

4 challenges

Sorted by:

28 votes

7k views

15 entries

Code Challenge #4: Create a futuristic technology

Thanks for coming back for the fourth Stack Overflow code challenge, and welcome to those who are new. This challenge is three weeks long. For more context on what this is and why we’re doing it, you ...

artificial-intelligence

M--

31.4k

responded 11 hours ago

151 votes

21k views

51 entries

-COMPLETE- Code Challenge #1: Implement a text-to-baby-talk translator

Awards for the first Stack Overflow code challenge: Most upvotes: Anon Coward Bells and whistles: Ali Sheikhpour New contributor: Kingsley_3z3nw4k4 Most sophisticated: return true Technically correct: ...

text-manipulation translation

Sanyam Garg

responded 18 hours ago

64 votes

9k views

55 entries

-COMPLETE- Code Challenge #3: Creating ASCII art snowflakes

Awards for the third Stack Overflow code challenge: Most Upvotes: André Serene Scene Creator: Ale_Bianco New Contributor: Michael Brown Most Customizable: FoxWise Snowflake Artisan: Newpzo All of the ...

ascii-art

Setu Upadhya♦

edited Jul 9 at 19:21

117 votes

12k views

76 entries

-COMPLETE- Code Challenge #2: Secret messages in game boards

Awards for the second Stack Overflow code challenge: Most upvotes: Ale_Bianco Puzzle prodigy: Anon Coward New contributor: Ayan Nayak Most imaginative: Bladeski Straight to the point: NullDev All of ...

encryption

Sourik Das

responded Jul 2 at 9:39

Enter the challenge and share!

Use challenges to gain new skills and engage with the community to share your take on the answer! Keep your entries on topic for the best chance to win.

Upvote the best answer

Cast your upvote for the best answer!

See all entries once the voting period starts. Or, submit your own now for an early comparison.

Be welcoming and patient

We expect all users to treat one another with kindness and respect. Remember, everyone is here to learn, and sometimes while learning, people make mistakes. See code of conduct.

No resume or job listings

Challenges are not for sharing your resume or job listing.

No overt self-promotion

If your post happens to be about your product or website, you must disclose your affiliation. See spam guidelines and best practices.

Collectives™ on Stack Overflow