“ <br />
Real world scientists have accidentally opened a tear in the fabric of reality, transporting their laboratory into the game world. Unable to repair and/or refuel their equipment in this (to their minds) primitive world they are now trapped.”
“ Daedalus Station is a 550-meter long space hulk drifting in trans-Uranian space, reduced to a derelict by the catastrophic failure of its dimensional reactor. The failure of the short-lived Paradigm VI reactor created a stable dimensional bore, a three-meter wide disc in the engineering section.
What is on the other side of the rift?
Why is the rift anchored to the ship instead of a point in space?”
“ A casual remark by one of the party about something met on a previous adventure leads to a summons to and grilling by the Mages' Guild (or equivalent), probably resulting in an expedition back to that area to recover the things for study by the Guild. The party's presence will be 'requested' for this expedition.”