Winter Wonderhack 2019 Houghton, MI, USA Don't Escape the Cold! Embrace it! $4,810 in prizes Feb 22 – 24, 2019 75 participants
Minnehack 2015 Minneapolis, MN, USA 24 hours of caffeine-powered madness $4,200 in prizes Oct 24 – 25, 2015 71 participants
