⚔️ New 1v1 Code Battle Mode Live Now

The Monster inside
you codes Harder

Solve algorithmic challenges, compete on leaderboards, and master DSA through real-time battles. Train your logic, track your progress, and evolve into an unstoppable coding monster.

Go Monster Mode

✓ Loading problem database
✓ Setting up test runner
✓ Configuring code editor
Test 1: [2,7,11,15], target=9
✓ Passed (returned [0,1])
Test 2: [3,2,4], target=6
✓ Passed (returned [1,2])
Test 3: [3,3], target=6
✓ Passed (returned [0,1])

Everything you need to dominate

Master algorithms, compete globally, and level up your coding skills with real-time battles and comprehensive problem sets.

100+

Algorithmic Problems

Multi-language Support

Solve problems in Python, Java, and C++. Practice competitive programming with your preferred language using our Monaco Editor.

DSA Battle 1v1

Challenge friends in real-time coding battles. Test your algorithmic skills head-to-head in competitive duels.

Competitive Ranking

Compete with programmers worldwide. Climb the leaderboard, earn rating points, and showcase your problem-solving skills.

Practice & Learn

Improve your algorithmic thinking skills. From beginner to advanced levels, master data structures and algorithms through practice.

Arrays

Dynamic Programming

Graphs

Loved
by users worldwide

See what users are saying about their experience with CodeMonster

Priya Sharma

@priyasharma

"The 1v1 coding battles on CodeMonster are intense! Real-time duels have really improved my problem-solving speed and competitive programming skills."

Rahul Verma

@rahulverma

"500+ algorithmic problems covering all DSA topics. The quality and variety of problems here is unmatched. Perfect for interview prep!"

Anjali Patel

@anjali

"Multi-language support is a game-changer! I can practice in Python, Java, and C++ with the Monaco Editor. Switching between languages is seamless."

Vikram Reddy

@vikramr

"Climbed the competitive rankings from 1200 to 2100 rating! The global competition and leaderboard really push you to improve your algorithmic thinking."

Kavya Krishnan

@kavyak

"The DSA battle system is brilliant - it's like LeetCode but more engaging! Fighting against friends makes practicing algorithms actually fun."

Arjun Mehta

@arjunm

"Perfect platform for mastering data structures and algorithms. The practice problems range from beginner to advanced levels with excellent quality."

Priya Sharma

@priyasharma

"The 1v1 coding battles on CodeMonster are intense! Real-time duels have really improved my problem-solving speed and competitive programming skills."

Rahul Verma

@rahulverma

"500+ algorithmic problems covering all DSA topics. The quality and variety of problems here is unmatched. Perfect for interview prep!"

Anjali Patel

@anjali

"Multi-language support is a game-changer! I can practice in Python, Java, and C++ with the Monaco Editor. Switching between languages is seamless."

Vikram Reddy

@vikramr

"Climbed the competitive rankings from 1200 to 2100 rating! The global competition and leaderboard really push you to improve your algorithmic thinking."

Kavya Krishnan

@kavyak

"The DSA battle system is brilliant - it's like LeetCode but more engaging! Fighting against friends makes practicing algorithms actually fun."

Arjun Mehta

@arjunm

"Perfect platform for mastering data structures and algorithms. The practice problems range from beginner to advanced levels with excellent quality."

Priya Sharma

@priyasharma

"The 1v1 coding battles on CodeMonster are intense! Real-time duels have really improved my problem-solving speed and competitive programming skills."

Rahul Verma

@rahulverma

"500+ algorithmic problems covering all DSA topics. The quality and variety of problems here is unmatched. Perfect for interview prep!"

Anjali Patel

@anjali

"Multi-language support is a game-changer! I can practice in Python, Java, and C++ with the Monaco Editor. Switching between languages is seamless."

Vikram Reddy

@vikramr

"Climbed the competitive rankings from 1200 to 2100 rating! The global competition and leaderboard really push you to improve your algorithmic thinking."

Kavya Krishnan

@kavyak

"The DSA battle system is brilliant - it's like LeetCode but more engaging! Fighting against friends makes practicing algorithms actually fun."

Arjun Mehta

@arjunm

"Perfect platform for mastering data structures and algorithms. The practice problems range from beginner to advanced levels with excellent quality."

Priya Sharma

@priyasharma

"The 1v1 coding battles on CodeMonster are intense! Real-time duels have really improved my problem-solving speed and competitive programming skills."

Rahul Verma

@rahulverma

"500+ algorithmic problems covering all DSA topics. The quality and variety of problems here is unmatched. Perfect for interview prep!"

Anjali Patel

@anjali

"Multi-language support is a game-changer! I can practice in Python, Java, and C++ with the Monaco Editor. Switching between languages is seamless."

Vikram Reddy

@vikramr

"Climbed the competitive rankings from 1200 to 2100 rating! The global competition and leaderboard really push you to improve your algorithmic thinking."

Kavya Krishnan

@kavyak

"The DSA battle system is brilliant - it's like LeetCode but more engaging! Fighting against friends makes practicing algorithms actually fun."

Arjun Mehta

@arjunm

"Perfect platform for mastering data structures and algorithms. The practice problems range from beginner to advanced levels with excellent quality."

Frequently Asked Questions

Find answers to common questions about CodeMonster