One Shade

More than spot-the-difference! 4 difficulties × 2 modes, from 3×3 to 7×7 extreme. Less than 1% unlock Hell mode — are you one of them?

Can you spot the tiniest color difference?

One Shade is a minimalist color puzzle game that puts your color perception to the test. Find the one tile that's slightly different in a grid of colors — sounds easy, but as the differences get subtler, you'll discover just how sharp (or confused) your eyes really are.

5 Core Puzzle Types, Endless Challenge • Classic Spotter — Find the odd-one-out tile in the grid • Color Memory — Memorize a target color, then pick it from a lineup • Gradient Sort — Drag tiles into a perfect color gradient • Color Mix — Pick two colors that blend into the target • Flash Memory — A grid flashes briefly, then changes — spot what's different

Relax, or Push Your Limits No ads. No timers rushing you. Take your time and enjoy the meditative calm of colors — or crank up the difficulty and challenge yourself with ever-more-subtle shades. Whether you need a 5-minute breather from a stressful day or you're a puzzle enthusiast chasing perfection, One Shade fits your pace.

Features • 6 themed level packs with 145 handcrafted puzzles • Daily challenge — same puzzle, worldwide • 20+ achievements to unlock • Minimalist aesthetic, immersive color experience • No ads, pay once, play everything

Start your color journey. Sometimes the hardest difference to find is hiding in plain sight.