A few years ago i was actually considering making a Smalltalk "dialect" (which i called Gametalk :-P) just for gamedev - some modern engines remind me a lot of Smalltalk in how they work, but they obviously stop at the resource editing level. So i thought that making the entire thing "live" and in itself would be the next obvious step.

(the reason i decided for a dialect is that modern Smalltalks carry a TON of baggage they collected over the decades - sure the language is tiny but they carry more objects than a transatlantic freighter :-P - and i wanted something lean with only the stuff i needed)

I never went beyond the prototyping phase but probably will pick the project up again if i end up getting annoyed by my current language and framework choices :-P.