Stack Overflow Challenges

7 hours ago 1

Challenges

Ready to level up? Dive into our coding challenges to have fun and acquire new 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 brillant solutions earn you special recognition! We'll be highlighting top contributors and insightful approaches, so put your best code forward.

1 vote

147 views

0 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 ...

responded 3 hours ago

58 votes

6k views

53 entries

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

Update on July 1, 2025: This challenge is now concluded! Thank you for all of your interesting, creative entries. Entries can still be submitted and votes can still be cast, but do not count towards ...

responded 4 hours ago

111 votes

11k views

75 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 ...

responded Jun 28 at 5:51

145 votes

19k views

50 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: ...