The other is Jagged Alliance: Gold Edition, which sees the classic and influential turn-based tactics game from 1994 alongside its expansion/spinoff, Deadly Games.
The Steam sale currently ongoing has plenty of discounts on titles from THQ, including Destroy All Humans!, Biomutant, Elex and a host more, including a free trial period for Desperados 3.
One of the most unexpected stories of the last few years has been the emergence of THQ Nordic.