RE: GZG Colours

>I would think that they would be less likely to "show their emotions on
their sleeve (shell)"

Natch, though an argument could be made for such a display to
temporarily
show during, say, jump-off jitters.

>then play a "dusk game" where after a certain number of turns you turn
out
the lights...)

Or turn off some of the lights each turn until dark room.

The_Beast