ECHO vs Unfinished Window

Every digit you place echoes across the board. ECHO GRID is a fresh kind of logic puzzle about reading the ripples. Place digits 1-3 on a 5x5 board. Each digit sends an echo up, down, left and right, traveling as far as its own value and adding that value to every cell it passes through. Match the target sum of every row and column to clear the stage! SIMPLE TO LEARN, DEEP TO MASTER - One rule: place digits. You'll get it in a minute - A single digit affects several rows and columns at once - plan ahead - Every puzzle has exactly one solution. Pure logic, no guessing SPECIAL CELLS CHANGE EVERYTHING - Walls block echoes - Mirrors bend them 90 degrees - Amplifiers add +1 to passing echoes The same 5x5 board feels completely different with each combination. PLENTY TO PLAY - 100 stages, stepping up from basics to walls, mirrors, amplifiers and beyond - No locks - jump straight to any stage you like - A Daily Challenge shared by players worldwide, with streaks and lifetime stats THINK AT YOUR OWN PACE - Long-press any cell to see exactly which echoes reach it and from where - Stuck? A hint corrects just one cell - Calm neon visuals and soft, soothing sound PERFECT FOR - Fans of sudoku-style and logic puzzles - Short brain workouts on your commute - Quiet, focused play before bed - works offline Available in English and Japanese. Listen to the echoes. One digit changes the whole board.

Inside a serene cathedral sanctuary, warm sunlight awaits to illuminate an intricate stained glass rose window... yet the master artisan left the glasswork unfinished. Only you can deduce the missing pieces, restore the sacred geometry, and let the light flood through once more. Unfinished Window is a pure deductive logic puzzle that merges algorithmic mathematics with the timeless aesthetics of Gothic stained glass art. Free of numbers, free of stressful countdowns, and completely free of guessing. [ TWO ELEGANT RULES - INFINITE DEPTH ] 1. Adjacent glass pieces separated by lead lines cannot share the same color. 2. Each 4-piece structural panel must contain all 4 colors exactly once. [ 100% PURE DEDUCTION - ZERO GUESSWORK ] Say goodbye to trial-and-error puzzles. Every level in Unfinished Window is procedurally carved and verified by an automated deductive reasoning solver. There is always a clear, logical step forward using pure deduction (naked and hidden singles) - never a random guess. [ DUAL-CHANNEL ACCESSIBILITY ] Engineered for everyone, including color-blind players. Every jewel color is permanently paired with a clean, high-contrast geometric motif: - Ruby Red: Sun motif - Amber Gold: Moon motif - Emerald Green: Star motif - Sapphire Blue: Leaf motif Rendered with crisp vector lines, with zero reliance on standard OS emojis. [ ATMOSPHERIC ILLUMINATION ] Completing a window rewards you with a moment of serene contemplation. As your final piece locks into place, lead lines illuminate in warm gold, dynamic light rays sweep across the sanctuary, and glowing dust motes drift peacefully through the air. [ CRAFTED FOR MOBILE EXCELLENCE ] - True One-Handed Ergonomics: Palette and controls placed within natural thumb reach. - 100% Standalone Offline Play: The entire puzzle generation engine runs locally on your device. Play anywhere - on planes, subways, or off-grid retreats. - Native Haptic Feedback: Feel subtle, tactile pulses upon piece placement, conflicts, and victory. - Privacy-First Engineering: Zero trackers, zero logins, zero PII, and minimal battery consumption. Step into the quiet sanctuary. Restore the glass. Let the light shine through. Download Unfinished Window today! [ PRIVACY & TERMS ] - Privacy Policy: https://kaisoftthailand.com/privacy-policy-unfinished-window.html - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Support: https://kaisoftthailand.com/