Hue Hunt
One tile is a slightly different shade. Spot it fast to build a combo multiplier, climb the levels, and beat your high score. With sound & juice.
reflex · combo · arcadeEcho
Watch the pattern, then repeat it back. It speeds up as it grows. Pick Forgiving or Strict, try 6-pad hard mode, and chase your best.
memory · strict · 6-padChromatic
Match the target colour with RGB sliders. Play the daily challenge for a streak, or go Endless — three lives, rising difficulty. Share your score.
daily · endless · puzzleFlash
Train your reading speed. Words flash one at a time; answer a quick comprehension check and Flash adapts — get it right and it speeds you up.
speed reading · adaptiveFlashmath
Beat the clock with mental arithmetic. Every correct answer buys time and builds a combo; the sums get harder the further you go.
mental math · comboSprint
A typing test that trains your fingers. Race the clock for 15, 30 or 60 seconds; letters you fumble come back more often. Chase your best wpm.
typing · wpmDigit Span
A sequence of digits flashes — type it back. It grows one digit each round. Try Reverse mode to really stretch your working memory.
memory · forward/reverseInterval
Ear training as a game. Hear two notes and name the interval. Miss one and it comes back sooner, so your weak spots get the most practice.
ear training · audioWhere
Learn the world. Name the country from its flag or capital, pick from four. Countries you miss resurface until they stick.
geography · flags