The code compiles, but it doesn't work. Can you find the logic error? Identify infinite loops, scope issues, and off-by-one errors.
Logic Bugs
Not just syntax
Analysis
Read & Trace
Real Code
JS / Py / Java
Skills
Troubleshooting
You will see code snippets with logic errors, syntax mistakes, or performance issues. Your job is to identify the root cause of the bug.
Find and fix bugs in code to prepare for technical interviews.
"How do I debug code?"
→ Read error messages, add print statements to track values, check edge cases, and step through code line by line to find issues.
Debugging Challenge is a code debugging game that builds your ability to find and fix bugs in programs. This essential skill is tested in tech interviews and valued in every software development role.
The game presents buggy code snippets for you to analyze and fix. You develop the systematic debugging approach that helps in interviews, coursework, and professional software development.
The game covers debugging skills:
Bug Types: • Syntax Errors: Missing semicolons, brackets, typos • Logical Errors: Incorrect conditionals, wrong operators • Off-by-One: Array indexing, loop boundary issues • Runtime Errors: Null references, division by zero • Algorithm Bugs: Incorrect logic in implementations
Languages: C, C++, Java, Python, JavaScript challenges.
Examine the code snippet with bugs to find.
Spot logical, syntax, or runtime errors.
Correct the bug to make the code work properly.
Confirm the fixed code produces correct output.
Debugging Challenge develops analytical abilities:
Code Reading: Understanding what code does.
Pattern Recognition: Spotting common bug patterns.
Systematic Analysis: Methodically isolating issues.
Attention to Detail: Noticing subtle errors.
Mental Execution: Tracing code logic step by step.
Debugging skills help technical assessments:
Tech Interviews: Many companies include debugging rounds.
Campus Placements: Coding tests often include bug-finding.
GATE CS: Understanding code behavior is essential.
Competitive Coding: Debugging your own submissions quickly.
Debugging Challenge benefits coders:
• Placement Candidates: Prepare for interview debugging rounds • CS Students: Build essential programming skills • Software Engineers: Sharpen debugging abilities • Competitive Coders: Debug submissions faster • Anyone Learning to Code: Develop core skills
This game applies debugging research:
Pattern Learning: Experienced debuggers recognize bug patterns.
Systematic Approach: Methodical debugging is more effective than random searching.
Transfer: Debugging skills generalize across languages.
Expertise: Deliberate practice builds debugging expertise.
Read error messages carefully - they often point to the exact issue
Check edge cases first - many bugs occur at boundaries
Use print statements or trace through code mentally
Compare actual vs expected output to narrow down the problem
Build a mental library of common bug patterns