How to Play llamacrunch
One large number, four small ones, one three digit target.
Step 1 takes two of your numbers and a sign.
Its total starts step 2, that total starts step 3, and so on down the four rows.
Every total must stay a whole number above zero.
All five numbers are used, one per step after the first.
Tapping works as well as dragging.
The large number is always a round one — 10, 11, 20, 25, 50 or 100.