Shade Sniper is a colour-perception game. A grid of identical squares hides one that is a slightly different shade — tap it to advance. Each level the grid grows and the difference shrinks, so your eye has to get sharper.
How good is your colour vision? →
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A grid of seemingly identical squares hides exactly one that's a slightly different shade. Tap it to advance. As you climb, the grid grows and the colour difference shrinks — so the game keeps finding the exact edge of what your eyes can distinguish. You have 60 seconds; your score is how many odd squares you catch.
Under the hood the game measures the shade gap in a perceptual colour space — the kind designers and display engineers use — and it enforces a floor, so the difference is always genuinely visible on a decent screen. When you miss, it isn't a trick: the square really was different.
Worth being clear about: this is a colour discrimination game, testing how finely you separate near-identical shades. It is not a medical test and can't tell you whether you have a colour vision deficiency — that's a job for an optician. What it does reward is the trained eye: designers, photographers and painters tend to score noticeably well. More on how colour perception works in our colour perception guide.
Scan systematically instead of darting randomly — sweep rows, or defocus slightly and let the odd square "pop." Screen brightness, night-mode filters and viewing angle all change what's visible, so give yourself a fair canvas: decent brightness, straight-on view.
Mid-twenties in 60 seconds is typical; mid-thirties and beyond suggests genuinely fine colour discrimination.
No — it's a game about subtle shade differences, not a medical screening. See an eye-care professional for a proper assessment.
Blue-light filters and low brightness compress the differences between shades. Same eyes, worse canvas.