Play
Solve today's shared challenge or jump into another official puzzle with Quick Play.
Start playing →Inspired by ARC-AGI, a benchmark built to test whether a system can infer unfamiliar visual rules from only a few examples.
Example
Watch the rule unfold
The replay first shows an incorrect attempt, then resets and displays the correct output. Mirror the diagonal to make a complete X.
Today's Daily
One curated visual rule. The same challenge for everyone. A fresh puzzle every day.
Play today's puzzleThe idea behind the puzzles
ARC puzzles show a few input-and-output examples. Your job is to infer the rule that connects them, then apply that rule to a new grid. There are no instructions because discovering the instruction is the puzzle.
Example
Input
Solve today's shared challenge or jump into another official puzzle with Quick Play.
Start playing →Turn a visual idea into examples, test your rule, and publish a puzzle for the community to crack.
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Output
Test
Input
Your answer