The goal is to get the milk to the end before it curdles.
If the job has a time limit, it will have a number of minutes in parentheses at the end.
The game has seven different play environments including a desert, the arctic, a living room, and the moon. There are memory-matching, pick-up sticks, hangman, Tower of Hanoi, and anagram scramble jobs with set time limits. Other jobs involve moving numbered freight cars to make valid addition, subtraction, multiplication, and division equations at kindergarten through 5th grade difficulty levels. Most jobs involve the basic concept of picking up and delivering loads via different freight and passenger cars. A 12th job is unlocked after completing the previous 11. There are six difficulties, known as job rosters.