Incredible Machine, The (1993 Sierra) Undoubtedly one of the most unique games ever produced for the PC, The Incredible Machines 1 is a dream come true for anyone who as a child likes to tinker with gadgets and toys. It is a puzzle game par excellence and beyond: you have to use wacky gadgets and tools given for each level to accomplish objectives. Puzzles start out relaxing and get fiendish very quickly, as later levels require not only ingenuity but also precise timing. A true classic.