In the past, I’ve reviewed a few products — Robot Turtles and The Maze of Games, for example — that were crowdfunded before reaching the open market, but today’s product is the first where I’ve completely observed the process from campaign launch to holding the product in my hands.

Today’s product review is Puzzometry, a jigsaw-style piece-placement puzzle with a serious challenge factor.

You’ve got 14 puzzle pieces to place into the frame pictured below, and there’s only one way to place every piece and complete the puzzle. Can you find it?

Created by Jim Fox, Puzzometry had a bit of a rocky road to realization. The initial Kickstarter campaign failed to meet its lofty goals, but Fox, who had remained totally honest and forthright with his backers from day one, reached out to his supporters and presented two possible options: either relaunch on Kickstarter with a lower funding goal or immediately shift all of his efforts to an e-commerce site.

In a close vote, the backers opted for another Kickstarter campaign, which was funded within an hour of launching! In fact, the second campaign was ten times more successful than the original campaign!

Puzzometry comes in three flavors:

• Puzzometry, which has 14 pieces to fit into the frame
• Puzzometry Jr., which is smaller and has only 7 pieces to fit into a smaller frame
• Puzzometry Squares, which also has 14 pieces, but eschews the octagonal shape of many Puzzometry pieces for right angles and more Tetris-like shapes to fit into the frame

[A sampling of Puzzometry’s signature puzzle pieces.]

There’s only one solution that allows you to place every piece in the frame, and the difficulty is a credit to the game’s impressive design. The pieces are all interesting, interlocking in unexpected ways and challenging even savvy jigsaw solvers.

At this point, I’ve only solved Puzzometry Jr. and Puzzometry (I haven’t picked up a copy of Squares yet), and found them both to be great fun. Puzzometry Jr. will be an easy task for older solvers, but it’s a perfect fit for younger puzzlers to introduce them to puzzles beyond the jigsaw format.

Plus, Fox includes instructions for a two-player game called Puzzometry Keepout, which is similar to Blokus. Each player chooses pieces, as if they’re drafting players for a dodgeball team. Then, once all the pieces are allocated, the players take turns placing pieces in the frame. You take turns until someone can’t fit one of their remaining pieces into the frame.

All three versions of Puzzometry are now available on the Puzzometry website, so check them out. They’d make a fine addition to any puzzler’s library.

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