EXPLORE / 01
Choose a task. Make the decision explicit.
Understand the input and criteria, then take a template into your project.
JEV IN PLAY / 01
PLAYABLE · LIVE JEV DECISIONSFive AI players.
One word out of place.
Play Who Is the Undercover with Jev. Read the clues, conceal your role, and cast your vote. Then inspect the evidence, options and scores behind each decision.
No signup · 3 games per IP daily · 300 games sitewide daily · English gameplay
Five matching words. One different word. Can you read the table better than Jev?
Find people looking for a solution
Separate requests for help from promotion and experience sharing.
Explore the scenarioFind product issues in reviews
Assess issue themes and sentiment separately, preserve mixed and unknown results, then review.
Explore the scenarioKeep articles you can put to work
Look for actionable steps and concrete results before deeper verification.
Explore the scenarioCheck promises before sending a reply
Keep policy and draft separate; check whether promises extend the supplied conditions.
Explore the scenarioRead between the lines
Reply in your own words to a partner, manager or colleague. Jev evaluates your response in the context of the conversation.
Play in Chinese ↗Exercises, configuration and live calls
Exercise answers are authored. The editor creates requests; it does not analyze your input. Live calls run in the workspace, your local environment or the official Playground.