Product / Learn

Collaborative
CS Education.

Run live, interactive lectures that engage students like a game. Teach algorithms by letting them solve puzzles together in real-time.

For Educators

Kahoot, but
for algorithms.

Start a session, broadcast code logic to your classroom, and watch 100+ students trace variables in real-time. Transform boring lectures into esports.

Create a Session
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Practice Library

5,000+ problems.
Zero excuses.

From Two Sum to Red-Black Trees. Our curated library spans arrays, graphs, dynamic programming, greedy, math, and system design. Filter by difficulty, tag, or language. 16+ supported languages with zero setup.

Browse Problems
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Guided Learning

Adventure Map
progression.

Ditch the boring lists. Follow a curated skill tree that guides you from basic arrays all the way through advanced dynamic programming. Unlock harder nodes as you master earlier concepts.

Start Your Journey
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Coming Soon

Vibecoding 101.

A gamified, puzzle-based course that teaches you to build real applications using only natural language. Learn system architecture, prompt design, and how to orchestrate AI agents without writing a single line of traditional code.

No coding experience required. Perfect for non-technical founders, designers, and anyone curious about building with AI.

Join the Waitlist
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Live Pilot

Already in the classroom.

Professor Michael Wehar at Bryn Mawr College is running an “Algorithms for Competitive Programming” course powered by AlgoArena. Students practice on the platform, compete on leaderboards, and prepare for class tournaments — solving the three biggest pain points in CS education:

01

Finding quality practice problems for students

02

Offering programming practice outside the classroom

03

Helping students prepare for technical interviews

Grant funding pending for expanded deployment. Interested in a pilot at your institution?

Start a Pilot

Upgrade your syllabus.

Enter Classroom