Zigguflat - Sliding Puzzle by Oskar Van Deventer

Zigguflat is a flat version of Bram Cohen's Ziggurat puzzle. Zigguflat is an "n-ary" puzzle. This means that the number of moves increases exponentially with the number of pieces. What makes Zigguflat special is that it doesn't have a frame, unlike all other n-ary puzzles in existence up till now.

Zigguflat puzzle has 6 pieces, and takes more than 100 steps to disassembled.

It can be disassembled and assembled again as a 5 piece version or a 4 piece version (see pictures).

If you combine two sets of Zigguflat together you can make an even harder version of the Zigguflat puzzle with 8 pieces and a small version with 4 pieces.