Sort your deck into four piles:

Two piles must go in ascending order
Two piles must go in descending order

**One Exception**
If the difference between a top card and new card is exactly 10, it can go on the pile regardless of direction. Use this trick to backtrack and earn some wiggle room!

Ease into the game with a 24-card deck.
Meet your first challenge with the 49-card stack.
Establish your ability by managing the 74-card hand.
Master your craft with the 99-card full set.

Keep track of your level and best game with the "Stats" tab.

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Simple controls!
Addicting challenge!
No ads!
Absolutely free!
Offline gaming!
Small download + minimal memory space!
Optimized to conserve battery!
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