First, choose your puzzle type: jigsaw or slider. Jigsaw allows you to drop and drag pieces into place using your mouse. Multiple pieces can be selected using Ctrl + Left Click. Slider mode allows you to slide pieces around, in a limited frame work, one pieces at a time. You can choose one of four modes: easy, medium, hard or expert. Be mindful of time: if it runs out, your game ends. Have an blast solving the Bentley Puzzle of your choice!