WHAT IT IS FOR
A selective attention game for filtering visual distractions.
Use it for focus warm-ups, reaction practice and attention drills.
Page 1 keeps the active grid, score and controls visible.
WHO USES IT?
Students, teachers, gamers, trainers and quick brain-game users.
Works on phone touch, tablet touch, mouse and trackpad.
Short sessions help keep the game useful and comfortable.
DEVICE GUIDANCE
Phones: keep 4×4 or 5×5 for large, safe tap targets.
Laptops: use 5×5 or 6×6 for harder visual filtering.
Tablets: medium refresh keeps the rule readable.