Test reaction speed, read-ahead prediction, rapid visual recognition, visual memory, tracking, trajectory prediction, rhythm perception, resistance to optical illusions, real-time judgment, selective visual memory, reading moving numbers, number-position memory, flash mental math, number-order tapping, gold-digit spotting and rhythm copying across fifteen quick browser games. Every game is free, needs no signup and has a global leaderboard.
Numbers flash for a split second. Read them. — FLASH is a free dynamic vision test: read numbers that flash for a split second …
Pick the matching number. Fast. — MATCH is a free visual-search sprint: find the number identical to the sample as…
Don't just react. Read the next move. — Tap 20 circles while each gap cues the next spawn direction. NEXT measures trimm…
Don't lose the glowing dot. — FOLLOW is a free eye-tracking game: keep your eyes on the dot that glowed while …
Snipe what you cannot see. — INTERCEPT is a free prediction game: a flying target cloaks mid-flight, and you …
One dot is off-beat. Catch it. — OFFBEAT is a free rhythm sense test: dots tick in sequence and exactly one is of…
Beat the illusion. — MIRAGE is a free optical-illusion game: pick the truly-correct one of two despit…
Read the falling gates before the bridge breaks. — Place seals, read straight and diagonal gate-stone paths, and handle follow-up w…
Remember only the lights that matter. — BLINK HUNT is a free visual memory game: read a rule, watch lights flash for a b…
Read the number while it moves. — NAGARE is a free dynamic vision game: a number sweeps across the screen and you …
The numbers vanish. The order stays. — ZANZOU is a free number-position memory game: numbers 1, 2, 3… flash across a gr…
Add it up before it is gone. — ANZAN is a free flash mental arithmetic game: numbers appear one at a time and y…
1, 2, 3… find the next one before it moves. — RENBAN is a free number-order tapping game in the style of the Schulte table: ta…
In a stream of digits, catch only the gold. — SENKO is a free rapid-attention game: digits flash one after another in the same…
Listen once. Tap it back. — KIZAMI is a free rhythm game: KIRI plays a one-bar rhythm, then you tap the same…