Shift & Stack vs Zendoku

Shift & Stack is a calming blocks sorting puzzle you can play in short breaks or long, zen sessions. Your goal is simple: move the top block, one tap at a time, until every stack is perfectly sorted by color. The challenge is in the planning. One rushed move can trap a color and force you to rethink the whole level. WHY YOU’LL LOVE IT • Easy to learn: tap to pick up and place the top block • Strategy-friendly: no timer, so you can think ahead • Plenty of puzzles: progress from gentle starters to tricky levels • Helpful tools: undo, restart, and optional extra stack when you’re stuck • Satisfying finishes: clean clears and smooth feedback HOW TO PLAY 1) Tap a stack to pick up the top block 2) Tap another stack to place it — only on the same color (and only if there’s space) 3) Win when each stack contains a single color Play to unwind, focus, and challenge your logic — one perfect sort at a time.

Zendoku — Calm Sudoku A clean, distraction-free Sudoku made for thinking. Zendoku focuses on understanding the puzzle — not rushing, grinding, or being punished for mistakes. Every feature exists to help you see the logic and improve naturally. No ads. No lives. No pressure. Just you and the grid. Ways to Play Quick Play Infinite puzzles in Easy, Medium, Hard, and Expert. Levels Mode 50 handcrafted puzzles per difficulty. Progress unlocks gradually as you improve. Daily Challenge One new puzzle each day with history. Weekly Challenge A larger 12×12 grid for deep focus. No hints — only validation. Designed for Focus • Clean minimal interface • Notes mode with long-press input • Undo history • Visible-mistake counter • Calm animations • Color-coded difficulty • Fully offline — everything stored on device Statistics track improvement instead of wins or losses: games played, average mistakes, average time, best time. Learn Through Logic Hints don’t solve the puzzle — they explain it. • Conflict check • Box-line interaction • Naked singles • Optional cell reveal (with warning) Advanced techniques are intentionally left to the player. The goal is learning, not skipping. Zendoku is a thinking companion — closer to paper Sudoku than a typical mobile game. Open the app, solve, and leave clearer than you arrived.