[flakiness]

The screenshot of the editor [1] has a small window showing the programming language. Wondering which it is. Ruby?

   [1] https://cdn.arstechnica.net/wp-content/uploads/2021/06/Pulp-1-1440x997.png

[humblepie]

It looks lilke Ruby but it's actually PulpScript, and it looks like they made it for this.

[bydo]

It's Lua. They support Lua and C.

https://play.date/dev/

[bullfightonmars]

From what I have read Tthey are using lua and have an sdk library similar to love2d.org

[tjakab]

Most likely Lua. The developer page says the SDK supports Lua and C.

[gscho]

Looks like a Ruby DSL to me