If a standard flat jigsaw puzzle is not enough for you then you should give the Bedlam Cubes Fire a bash.
The Bedlam Cubes Fire is a mind boggling puzzle that is so much harder than it looks. So you have to fit all the pieces into the cube shaped box, piece of cake right? No, actually, it is not. Instead of just cubic pieces, the Bedlam Cube Fire consists of 13 polycubic pieces, 12 pentacubes and tetracube making the aim of the game so much harder. With 19,186 distinct ways to complete the cube, this is one puzzle that is going to hurt your brain. The official Guinness world record for assembling the cube is 7.77 seconds, if you can beat this then all of the RED5 team are proud of you.