OUTPUT? — Code Prediction Game
Predict code output, level up and earn certificates.
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OUTPUT? turns coding knowledge into a game. Predict what code snippets will output across 18 languages and stacks. Progress through five difficulty levels, complete daily challenges, earn XP and badges, compete on leaderboards, and unlock certificates. Free to play!
PH · launched Oct 22, 2026 · 1 upvote (top 67%) · 0 views
Niche: gamified learning and developer tools · 23 launches, 0 in the last 7 days · Explore this niche →
Category and tags
- Education
- Developer
- Not AI
- Commercial product
- Developer Tools
- Games
- Development Language
Visit website ↗ Source listing ↗
More like this: all 23 launches in gamified learning and developer tools →
Could you build this?
Yes It is a quiz game with a web UI, XP, badges, and leaderboards. Running snippets across 18 languages can use an existing sandboxed execution service such as Piston or Judge0, and the content can be authored by hand or with an LLM.
Competitors
Other products that read as similar to this one : 83 launches clear the similarity bar, closest 8 shown.
Attention rank: #45 of 84 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 296 days after the earliest competitor.
- CodeQuest Learn code like playing game · ph · 2026-09-19 · 2 upvotes · similarity 0.45
- WriteCode · ph · 2026-10-05 · 11 upvotes · similarity 0.42
- LevelGrade · ph · 2026-09-17 · 2 upvotes · similarity 0.42
- indie-game-vibe-coding-skills · github · 2026-09-28 · 19 upvotes · similarity 0.39
- Guess the Code– IT Quiz Game · ph · 2026-10-13 · 1 upvotes · similarity 0.39
- Daily Coding · ph · 2026-09-17 · 2 upvotes · similarity 0.38
- playing.company · ph · 2026-11-07 · 1 upvotes · similarity 0.38
- CodeWar · github · 2026-10-28 · 176 upvotes · similarity 0.38
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.