Real answer: you really can’t completely trust anyone. No doubt they could legally fuck you over somehow if they wanted to, just like everyone else does, but because they are a private, they are not forced to make line constantly go up by cannibalizing their user base.
Real question: what are the terms of steam sales? Do you own or license?
Real answer: you really can’t completely trust anyone. No doubt they could legally fuck you over somehow if they wanted to, just like everyone else does, but because they are a private, they are not forced to make line constantly go up by cannibalizing their user base.
Apparently Valve allows each developer/publisher to post their own games of sale, albeit some enforcements across the board.