[Threshold]

Those details are far better answered via an explicit explanation from the mud operator, from information off their web site, or from information inside their game.

No set of checkboxes is going to accurately and honestly convey this information.

If you want to search for muds that only have subscription fees, or pay for perks, then you select the first option, and narrow it down from there.

The point is, the following is actually accurate and does not inject vagueness or wiggle room into the issue:

[ ] Money accepted in some form (payment, donations, sale of merchandise).
[ ] No money accepted in any form.