The GMTK Game Jam is an annual game making marathon, for the community of Game Maker's Toolkit viewers. It is itch.io's biggest jam, and will return in 2020. Subscribe to GMTK on YouTube to be notified of upcoming game jams.
2019 - 2018 - 2017
2019’s theme: Only one
2018's theme: Genre without Mechanic
2017's theme: Dual Purpose Design