On the Mini text-adventure sample, I wonder if porting Malyon from Emacs' Elisp could be feasible, at least to run v3 Zmachine games, small enough to be fastly interpreted even under a C64.

https://emacs.crys.site/interactive-fiction-malyon/

The Sudoku example ran as-is under Common Lisp, maybe it's the same under Emacs.

A libre v3 game to freely test it would be Calypso, among Tristam Island.