Submissions open from 2025-12-14 05:00:01 to 2025-12-21 04:59:59
Submissions due in
years
months
days
hours
minutes
seconds

Build a programming language and then make a game using it 


The homepage for the jam is at https://langjamgamejam.com and we have a Discord.

Langjam Gamejam is a 7-day challenge to create a programming language and then use that language to build a game. You set the rules. Be as creative as possible, use any technologies you want, and have fun. There will be prizes to the most creative submissions!

  • The hackathon runs for 7 days
  • You must design and implement a programming language
  • The must design and implement a game using your language
  • You can use any language, engine, libraries, and technologies
  • You define what a programming language is and what a game is
  • Work solo or on a team
  • Documentation and instructions are encouraged
  • Bonus points: Write a blog post about your language, game, and design process

Submitted so far(7)

All submissions
·
Browser playable (1)
·
Windows (4)
macOS (1)
Linux (1)

No submissions match your filter

Give your employees the instructions they need to finish the day's work.
Puzzle
Platformer game and Yarn VM implemented for langjamgamejam
Platformer
Play in browser
Making a game on a custom bytecode VM in 7 days and 3kB
Shooter
AI as the compiler