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
Submissions(35)
All submissions
· Browser playable (15)
· Windows (11)
macOS (4)
Linux (4)
Android (1)
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A puzzle game about the rules themselves
A simple backrooms-style survival game written for Langjam Gamejam
Survival
Play in browser
Take turns raising armies and engaging in battle: use infantry, archery, cavalry, and artillery to crush your enemies!
Strategy
An esoteric stack-based dungeon creation language and playable game example.
Chrome t-rex style runner with an interactive editor for a relational language game engine
Play in browser
Create a dungeon using this domain specific language, then play a game with it
Adventure
Play in browser
Platformer game and Yarn VM implemented for langjamgamejam
Platformer
Play in browser
Game Made With Custom "Hot Path"-Presenting Programming Language
Play in browser
Give your employees the instructions they need to finish the day's work.
Puzzle
Submission for Langjam Gamejam 2025
Programmatically play Magic the Gathering using new DSLs for representing card games
Experiment at creating language where following the rules is optional
Shooter
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