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- Grand Prize Winner: Thomas Bouve (Thomas's Answer)
(who in 2020 won Best Technical Answer) - Most Creative Answer: Jai Minton (Jai's Answer)
(who created a 3D video game based on the Holiday Hack Challenge itself) - Runner-Up Most Creative Answer: Joel Tan
- Best Technical Answer: David Forsythe (David's Answer)
- Runner-Up Best Technical Answer: Roger Johnsen
Honorable Mentions:
- Fabian Andre
- Pranshu Bajpai
- Barbie
- Jeff Beazley
- Mike Boyle
- Adam Coirazza
- CosmicHitman
- Michael Deibert
- Hack3dlazy
- Wendy Edwards
- eucrates
- Simon Roses Femerling
- William Fleisher
- geospider
- Bernhard Griener
- Christopher Henseler
- Tomoomi Iwata
- JariR
- janusz jasinski
- Anand Kanani
- Daniel Kaufmann
- Mitch Kerle
- yaron king
- Akvile Kiskis
- Pinja Koskinen
- Laura
- Link
- lolkatz
- Steven Maestas
- Patrick Malter
- Darryl Miles
- minispooner
- Mark Mulvaney
- Jason Navarrete
- Sven Bursch-Osewold
- Sebastian Perez
- Nivedan Rajasekar
- Chris Ruggieri
- Michael S
- Giuseppe Saturno
- Johann Schnagl
- Adam Snedden
- Glyn Snowden
- Stefan Soto
- Calle Svensson
- David Szili
- defyp and unikbyte
- Clayton VanTol
- Bryan Williams
- Lee Chong Yu
Super Honorable Mentions:
- Anand Kanani
- James Baldacchino
- R. Bastiaans
- Walter Belgers
- Michael Benedetti
- Olivier Bettan
- Blake Bourgeois
- Mike Boyle
- Brian Carrick
- Alberto Certo
- Matthew Ciantar
- Walid Daboubi
- Brian Davidson
- Paul DeCamp
- Nuttakorn Dhiraprayudti
- Miroslav Dimitrov
- eldiridge
- Jacob Elliott
- Jeshua Erickson
- fatsheep
- Dan Fedele
- Matthew Furtado
- John Goff
- ASHISH GUPTA
- Michael Hertrick
- Joe Kattner
- Nikola Knežević
- Ben Krueger
- kusuwada
- Xhelal Likaj
- George Mantakos
- Pasi Mäntynen
- James Mar
- Daniela Mariaschi and Massimo Mariaschi
- Wade Matistic
- Yannick Méheut
- Devesh Mitra
- Dan O'Connor
- Kyle Parrish
- Dale Perkel
- Dickson Quek
- Dan Roberts
- Shahne Rodgers
- Julian Runnels
- Jeroen Schijvenaars
- Jörg Schwarzwälder
- Mo Sharif
- Mike Shirley
- Matt Simmons
- Jason Sosnowsk
- Nate Thornton
- Cody Travis
- Justin Wylie
- Grand Prize Winner: Thomas Bouve (Thomas's Answer)
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- Grand Prize Winner: Stanislav Nurilov
- Most Creative Answer: Jeremy Phillips
- Runner-Up Most Creative Answer: Mark Mulvaney and Mike Boyle
- Best Technical Answer: Thomas Bouve
- Runner-Up Best Technical Answer: Neal Eikenberry and Janusz Jasinski
- Grand Prize Winner: Stanislav Nurilov
