Brian Moriarty (born 1956) is an American video game developer who authored three of the original Infocom interactive fiction titles, Wishbringer (1985), Trinity (1986), and Beyond Zork (1987), as well as Loom (1990) for LucasArts.

[2] Though the game was a commercial success and Moriarty had an idea for sequels which were briefly entertained, he opted to move on to other projects.

The project had a notoriously lengthy and troubled development, with Moriarty leading the second of ultimately three incarnations the game underwent before finally shipping in 1995.

The Rocket Science executives were out to be Hollywood moguls, and, to their credit, they got hold of some serious money, and to start off with, it looked as if it was going to be a really fun gig.

Moriarty is a Professor of Practice in the Interactive Media and Game Development program at Worcester Polytechnic Institute.