Four new mystery charts every day, with the satisfaction of figuring out what the data represents from clues alone.
Stackdle
What is Stackdle?
Stackdle is a daily stacking game where you try to balance 20 shapes into the tallest tower you can. Each day, all players receive the same set of shapes. It is made by Amountle and also offers a practice mode.

Three falls make every placement a judgment call—fair, unforgiving, and a proper test of spatial logic.

Quick to pick up, easy to squeeze into a break, and the daily reset keeps it from overstaying its welcome.

A daily tower of toppling temptation, where 'fall' is a rather cruel word for a game that only gives you three.

Twenty shapes, three drops, one score—the kind of daily measurement that begs to be tracked and trended.
How to play Stackdle
Move a piece by dragging it over your tower, rotate it using the rotation handle (or scrolling, or twisting with two fingers on a phone), then drop it. Once the tower stays still for a moment, the height counts. You have three falls before the run is over.
Tips & strategy
- Rotate each piece to find its flattest or most stable side before dropping.
- Try to center each shape over the stack to keep the tower balanced.
- Watch how the tower settles after a drop; a wobbly placement can cause later pieces to fall.
- Some days you may need to build outward or bridge a gap, so look at the shape and your stack before placing.
- Use Practice mode with endless pieces to get comfortable with rotation and placement.
Frequently asked questions
Is Stackdle free to play?
The game is described as a browser-based daily game, and no pricing is mentioned on the page.
How often does Stackdle update?
A new set of shapes is available each day, and everyone gets the same shapes that day.
What counts as my score?
Your tallest stack that stays standing counts as your score.
What happens if pieces fall?
You have three falls per run; after using all three, the run is over.
Is there a practice mode?
Yes, Practice uses endless pieces so you can keep stacking beyond the daily challenge.
Where to play
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