UNIX PC: Game of Larn

Has anyone else ever seen this game on a UNIX PC?  
Did this ever come with the factory software package?
If not, where would this machine have acquired such a luxury?

https://www.ebay.com/itm/232942234487

UNIX PC's TEAC FD-55B drive

FD-55B-01-U

http://www.vogonswiki.com/index.php/Teac_FD-55_series