Board Game Arena

I couldn't figure out how to build any buildings. The panel that looked like it might
do it resulted in "this action not authorized".

In general, the interace is awfully "20 questions" style rather than driven by the
user taking actions. Not my cuppa.

or...
successfully grouping all the different things you can do in one place.

There is a 'Build Building' button.

The main thing that bugs me, is that the game is not spelt with a capital Y

when you take some dice, building is 1 of the options at top.