[racket] Other language levels in WeScheme?

Is WeScheme pinned on beginner for a while? My son is interested in writing a simple turn-based RPG in WeScheme---something it seems admirably suited for, by and large--but I'm dying for things like for/list. Am I missing a simple switch that would allow me to use other language levels? The expansion-based structure of racket suggests that the full racket language could be hiding underneath. No?

John

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