All AI Tools

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

Identify logical fallacies and biases in news articles and arguments

Order tech company milestones and product launches in chronological order

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

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

Find hidden connections between countries based on trade, culture, history, or geography

Players are presented with surprising claims and must use Perplexity to determine if each is fact or fiction within a time limit. Scoring rewards both correct answers and quality of source citations.

A two-player knowledge game where Perplexity generates questions from random Wikipedia articles. Players alternate answering, with Perplexity as the impartial judge verifying answers against sources.

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

Classic 20 Questions guessing game. Think of anything and Grok uses strategic yes/no questions and real-time knowledge to guess it.

Practice resolving increasingly complex merge conflicts in a safe sandbox. Learn strategies for handling real-world conflicts.

Argue any position against Grok in a structured debate. Grok takes the opposing side and scores arguments based on logic and evidence.

Play chess against ChatGPT using algebraic notation. The AI provides commentary, suggests strategies, and adjusts playing strength from beginner to advanced. A unique way to practice with AI coaching.