This vessel is a low tech Traveller design (TL9) with no artificial gravity. The vessel is in Traveller terms of 400 displacement tons (5,600 cubic meters) but obviously could be used for any game system. The accomodation is wrapped round E deck and is entered by using handrails to swing in. The "hamster cage" generates the equivelant of 0.14G which is not much but would help minimise calcium leaching from human bones. The design was done using CC2 I may eventually get round to updating it to CC3 standards.
Happiness is knowing your mapping software won't crash partway through an operation.