All AI Tools

Given a set of premises, derive as many valid conclusions as possible. Score based on completeness and correctness.

Match types to values and construct well-typed expressions in a simplified type system. Learn types through play.

Solve chess puzzles with mate-in-N challenges. DeepSeek analyzes your solution path and suggests alternatives.

Build CI/CD pipelines by connecting stages in the correct order. Handle dependencies, parallelism, and failure scenarios.

Find accessibility violations in web page screenshots and code. Learn WCAG guidelines through hands-on detection challenges.

Complete system administration tasks using only terminal commands as fast as possible. Master bash, file operations, and process management.

Find and fix intentionally planted bugs in code snippets. Score points based on speed and accuracy of your debugging skills.

Match HTTP status codes to their correct descriptions and usage scenarios. Master the full range from 1xx to 5xx responses.

Untitled Game

Games

Premium Duck Elimination Experience

TextFX

Games

Google AI experiment for writers and lyricists created with Lupe Fiasco — 10 creative text tools including Simile, Explode, Unfold, Chain, POV, and Acronym.

Dingr

Games

Transform Your LoL Gameplay with DINGR's AI-Powered Analysis Tool

LLMChess

Games

Interactive Online Chess Game with API Key Access

Test your knowledge of space missions, astronomy, and space exploration history

Build the longest valid chain of logical reasoning. Each step must follow from the previous with valid inference rules.

Head-to-head trivia battle testing deep knowledge across multiple domains

Order tech company milestones and product launches in chronological order

Solve a series of increasingly difficult logic puzzles. Use deductive reasoning to crack each puzzle before the timer runs out.

The Knowledge Cartographer

Games

An advanced adventure combining web scraping with intelligent knowledge organization using MCP tools. Build a system that scrapes information, creates knowledge graphs, and integrates with external AP

COHEZION

Games

Elevate Gaming Community Engagement Using Cohezion.ai

Perplexity Game — Knowledge Testing

Games

Community-created game experience themed around AI search and knowledge testing powered by Perplexity-style search and reasoning.

Identify logical fallacies and biases in news articles and arguments

Match inventions to their patents and guess the year they were filed