open the backpack center grid completely filled with tools, down scroll button is clickable (if not resize your window so some tools are cutoff) use the scroll down button to scroll to the end of the grid scrolling should move each row upward, objects should be located above their previous position in the backpack search for 'tool' tools A through L should appear, if the scroll up button is active(button lit up and you can scroll up) there should not be room for an extra row at the bottom of the grid Click the reset button should be at top(scroll up button is inactive) or not have any empty rows Click up button multiple times when button is inactive nothing happens Click down button once should still scroll dow