ANGLE JUDGMENT · 24 TRIALS
Compare two unmarked pixel rays. Decide whether their directions are exactly the same or different.
Complete 24 balanced trials. DIFFERENT angles become closer as the test progresses; errors still advance.
READY?
Judge direction only. Ray length and center position are harmless distractions.
Keyboard: S for SAME · D for DIFFERENT. Touch or mouse: tap a large answer button.
HOW TO PLAY
Look at the direction of the unmarked ray in each panel.
Ignore differences in ray length or center position; they never determine the answer.
Choose SAME or DIFFERENT before the answer timing bar empties.
CONTROLLED DISTRACTORS
Both ray lengths and both center positions are randomized independently with the same ranges on every trial.
Those details cannot reveal SAME or DIFFERENT. Compare the direction in which each ray points.
ENTERTAINMENT ONLY
Standard mode contains exactly 12 SAME and 12 DIFFERENT trials. The different-angle gap narrows across its 12 appearances.
This recreational game is not a medical, psychological, eyesight, or cognitive diagnostic assessment.
QUESTIONS
No. Ignore length. Choose SAME whenever the two rays point at the same angle, even if one is shorter.
Their positions vary to keep you focused on direction. Position is randomized independently and does not signal the answer.
Different angles become closer and the answer window gets shorter as your streak grows. One error or timeout ends the run.
No. It is a recreational browser game. Screen size, display quality, input method, and practice can all affect results.