ItemDealFinder

Mastiff

1 game developed by Mastiff that we track, with today’s price at each store and the lowest price we have seen.

Lowest ever$1.99 USDat GOG · Nov 2026
Released2015
Steam usersVery Positive371 reviews

Mastiff LLC is an American video game publisher. Founded in 2002 with headquarters in San Francisco and Tokyo, the company has released titles in virtually every genre – including action, adventure, RPG, FPS, party, horror, and music. The executive staff includes Bill Swartz, Mika Hayashi, and Brian Bezdek.

From Wikipedia (CC BY-SA 4.0)
Founded
2002
Country
United States
Role
Developer and publisher

Gurumin: A Monstrous Adventure

The one game we track developed by Mastiff, at every store we have a price from.

Price history and everything else about Gurumin: A Monstrous Adventure

Sale history

From the prices we have recorded for games developed by Mastiff. Our own record, which starts on Sep 26, 2026; sales before then are not in it.

Last saleOct 12–26, 2026up to −80% at GOG