Valhalla Simulation Games (VSG) was an Ottawa (Ontario, Canada) based company that operated between 1983 and 1987.
Description
Valhalla Simulation Games produced two Role Playing Games (Outime and the M'Aryanni series) and several board games.
The main designer for VSG was Marc W.D. Tyrrell (now a symbolic Anthropologist and Blogger at In Harmonium).
References
Valhalla Simulation Games Wikipedia(Text) CC BY-SA