HABA USA Game Design Contest

Use random components to design a family game. Only 200 design kits are available.

Submission deadline: July 20, 2018

http://www.habausa.com/gdc

Contest winners discuss what to keep in mind when designing a game for a contest (audio):

https://www.theboardgameworkshop.com/2018/05/wednesday-may-16-2018-38-welcome-to.html

For the May 2018 24-hour contest, design a game about slowing or delaying development of something:

https://boardgamegeek.com/thread/1988484/24-hour-contest-may-2018

World Original Design Contest of Board Game

Sponsored by Yoka Games

Deadline: June 22, 2018

Prizes: $3,000 and possible publication

http://wodc.yokagames.com/en/index.html

Jellybean Contest

Design a game using a specific set of components

Deadline: July 1, 2018

Prizes: cash and publication

https://www.jellybean-games.com/contest/

Phase Shift Dimensions Challenge

Design a game that exists in non-standard dimensions, such as 3D, multiple rooms or across time

Deadline: Sept. 17, 2018

Prizes: cash, The Game Crafter shop credit and more

https://www.thegamecrafter.com/contests/phase-shift-dimensions-challenge

Phoenix Comic Fest – 18 Card Challenge

Deadline: May 26, 2018

http://www.protoaz.com/2018/04/23/phoenix-comic-fest-18-card-challenge/

Board Game Design Challenge

Deadline: May 4, 2018

Prizes: cash

http://www.boardgamedesignlab.com/contest/

The 2018 Northwest LUCI Award

Deadline: May 20, 2018

http://playtestnw.com/contests/

2018 League of Designers Workshop and Contest

A monthly virtual game design workshop followed by a contest

Deadline: Sept. 1, 2018, with the workshop portion starting in May

https://boardgamegeek.com/thread/1977363/league-designers-workshop-and-contest-discussion

Solo Game Challenge

Deadline: July 23, 2018

Prizes: The Game Crafter shop credit and more

https://www.thegamecrafter.com/contests/solo-game-design-challenge

The theme for the April 24-hour contest is "egg":

https://boardgamegeek.com/thread/1969684/24-hour-contest-april-2018

2018 BostonFIG Tabletop Game Design Showcase

https://www.bostonfig.com/tabletop-showcase-submissions/

The requirement for the March 2018 24-hour contest is "rune":

https://boardgamegeek.com/thread/1949350/24-hour-contest-march-2018

Advice for pitching your game design to people who hear a lot of pitches:

https://twitter.com/JohnduBois/status/966285812995444737

Korea Boardgames 2018 Design Contest

Deadline: June 1, 2018

Prizes: cash and publication offer

https://boardgamegeek.com/thread/1939648/korea-boardgames-2018-design-contest

2018 Two-Player PnP Game Design Contest

Deadline: April 14, 2018

Prizes: GeekGold

https://boardgamegeek.com/thread/1939295/2018-two-player-pnp-game-design-contest

The requirement for the February 2018 24-hour contest is "technique":

https://boardgamegeek.com/thread/1932484/24-hour-contest-february-2018

Geekway to the West 2018 Game Design Contest

Entrants must attend the convention

Deadline: Feb. 28, 2018

Prize: publishing offer from Indie Boards & Cards

https://geekwaytothewest.com/home/events/game-design-contest/

Game Pieces Only Challenge

Design a game without any printed components

Deadline: April 20, 2018

Prizes: cash, The Game Crafter points and shop credit, and more

https://www.thegamecrafter.com/contests/game-pieces-only-challenge