Outsider vs Block Stack

Can you spot the outsider? Outsider is a colour perception puzzle that challenges your visual acuity. Each round presents you with a grid of coloured circles - all identical except one. Your mission: find the odd one out before time runs out. It sounds simple, but as you progress the colour differences become increasingly subtle, pushing your perception to its limits. With over 16 million possible colours generated from the full RGB spectrum, no two games are ever the same. HOW TO PLAY * Tap the circle that's a different colour from the rest * Score points for each correct answer * Beat the countdown timer to keep playing * Watch for urgency alerts as time runs low * Challenge yourself to beat your high score FEATURES * 16 Million Colours - Every shade from the full RGB colour space. Differences start obvious and become almost imperceptible as difficulty increases. * Multiple Layouts - Progress through increasingly complex arrangements: - Grid: Classic rows and columns - Triangle: Triangular formations that challenge your scanning patterns - Spiral: Circles arranged in spirals that disrupt linear searching - Fractal: Complex fractal patterns for the ultimate visual challenge * Difficulty Progression - The game adapts as you improve: - Colour differences decrease across fewer RGB channels - Circle count increases, making the target harder to find - Layouts evolve from simple grids to complex patterns * Countdown Timer - Race against the clock with visual and audio urgency alerts that intensify as time runs low. Each correct answer adds precious seconds. * Game Center Leaderboards - Compete globally and with friends. See how your colour perception ranks against players worldwide. * Music & Sound - Immersive audio with full music controls. Toggle sound effects and background music independently. * Clean Design - Modern UI with safe area support for all iPhone and iPad models, including devices with Dynamic Island and notch. IN-APP PURCHASES * Remove Ads — $2.99 (one-time purchase) Removes all banner and interstitial advertisements permanently. Restore purchases on any device signed into the same Apple ID. PRIVACY Outsider does not collect, store, or transmit any personal data. No analytics, no tracking, no account required. Your scores are stored locally on your device and optionally synced via Game Center (managed by Apple). REQUIREMENTS * iOS 16.0 or later * Compatible with iPhone and iPad Perfect for quick sessions during commutes, waiting rooms, or any time you want to test your visual perception. How far can you push your colour recognition? Download Outsider and find out if you can spot the difference.

Drag, stack, and clear lines to keep the board clean—then chain combos for huge scores. Every move feels smooth and accurate, and the game gives you breathing room to think and come back strong. Easy to start, surprisingly hard to master. How to Play • Drag & place blocks onto the grid • Clear full rows or columns to make space • Think ahead—when there’s no room left, it’s game over • Build streaks and combos for bigger clears and higher scores Why You’ll Love It • Endless high-score gameplay for quick breaks or long sessions • Daily challenges that stay fresh and rewarding • Smooth controls with clean visuals and satisfying effects • More room to recover—fewer runs end out of nowhere • Offline play—perfect for flights, waiting rooms, and bedtime wind-down Whether you’re on a coffee break, winding down at night, or killing time between plans, Block Stack is your go-to puzzle for stress-free fun. Download Block Stack and start stacking your best score today.