Low effort

[asuir55]

Low effort, continuous reward is another important factor. You don't need to be focused or skilled. You may leave it running, return at a later time, and all of a sudden you'll have millions of cookies. It feels fantastic to make passive progress cookie clicker 2, particularly when contrasted to more difficult games.
Additionally, it contributes to a kind of psychological loop:
Small objectives → rewards → larger objectives repeat
The cycle keeps people interested even if each stage isn't thrilling.