Nob Yoshigahara Puzzle Design Competition

Announcing the 2024 Competition

The Nob Yoshigahara Puzzle Design Competition was established in 2001 to promote and recognize innovative new designs of mechanical puzzles. The thenty-fourth annual competition has begun, with judging and awards at IPP41 (Summer 2024). See the full details using the following links.

Summary Information
Rules: Eligibility and Form of Entry
Rules: Judging and Awards
Schedule

The 2023 Competition Results

Puzzle of the Year
Puzzlers' Award, Jury
Grand Prize

Hex Flex
Kagen Sound

Jury 1st Prize

Battery Operated Box
Kagen Sound

Coin Wallet
Koichi Miura

Jury Honorable Mention

Trapped Bird
Koichi Miura

TIC Vault
Andrew Crowell

Karakuri Packing
Yasuhiro Hashimoto

Top 10 Vote Getters

The following designs were in the top-10 in voting for the Puzzlers' Award,
but were not otherwise recognized with a formal Jury prize.

Al Bus - Jordi Gallén
Chained Lumbers - Koichi Miura
Gem - Osanori Yamamoto
Pico Lock - Boaz Feldman
ze Tooth Fairy Puzzle Box - Stephen Chin


Full Competition History Search

2023 Competition Results and Entry List
2022 Competition Results and Entry List
2021 Competition Results and Entry List
2020 Competition Results and Entry List
2019 Competition Results and Entry List
2018 Competition Results and Entry List
2017 Competition Results and Entry List
2016 Competition Results and Entry List
2015 Competition Results and Entry List
2014 Competition Results and Entry List
2013 Competition Results and Entry List
2012 Competition Results and Entry List

2011 Competition Results and Entry List
2010 Competition Results and Entry List
2009 Competition Results and Entry List
2008 Competition Results and Entry List
2007 Competition Results and Entry List
2006 Competition Results and Entry List
2005 Competition Results and Entry List
2004 Competition Results and Entry List
2003 Competition Results and Entry List
2002 Competition Results and Entry List
2001 Competition Results and Entry List


2023 Design Competition
Trophy

Cryptos by Yavuz Demirhan

made by Tom Lensch

Award Pins

Puzzlers' Award and
Grand Prize

First Prize and 
Honorable Mention


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