10boxes
0played
0won
—success
One box. One chance.
Open the boxes in order. You may take the money in the current box—or pass it forever. Your goal is to stop on the richest box in the whole set.
How many boxes?
Easy mode
Show in-game hints
If you pass every earlier box, the final box becomes your choice.
Box 1 of 10
10 boxes remain
BOX 01
Its amount will be generated when you open it.
BOXES PASSED
You found it.
Every box, revealed
Amounts after your choice were generated only when the game ended.
This is the secretary problem in disguise. The classic rule skips roughly the first 37% as a sample, then takes the next box that beats everything seen so far. Its success rate approaches 1/e, about 36.8%.