Echelon Apps
Stack Unpack app icon

Stack Unpack

Mahjong Solitaire · iPhone and iPad

Match free tiles in pairs and clear the board. Every deal can be cleared, so a win is always there to find.

Download on the App StoreComing soon Get it on Google PlayComing soon
Stack Unpack menu with the Daily Challenge calendar
A new Daily Challenge every day
A Pagoda board in play
Seven boards to clear
A Butterfly board with a blue table
Pick your tiles and table
Board Cleared screen with time and badges earned
Beat your best time
Badges screen
Earn badges
Statistics screen by board and difficulty
Track your stats

Features

Every deal can be cleared

No impossible boards. If you get stuck, Hint, Undo and Shuffle are there to help.

Easy, Medium and Hard

From about 70 friendly tiles to nearly 190 on Hard, where hints and shuffles are limited.

Daily Challenge

Everyone gets the same deal each day. It's always free.

Make it yours

Choose a tile design and table color, or let each game surprise you. Larger tiles are one switch away.

Pick up where you left off

Your game saves after every move.

Private and offline

Plays without Wi-Fi or cell service. No ads, no tracking, no data collected.