10. Diablo's Item Duping
This is somewhat of a cheater's delight, but it comes from a glitch in the game. In the original Diablo it is possible to multiple almost any item by exchanging it for one in your immediate inventory. The way you accomplished this was by first dropping an item from your inventory. Then when you went to pick it up off the ground you quickly clicked the item you wanted to replace it with from your immediate inventory. What happened then was that the game would erase the item you clicked while creating a duplicate of the item you originally dropped. Sound a bit confusing? Item duping was not the easiest cheat to ever pull off. Here's a good example of it for all of you who still play...