Re:Pirate our games, don't buy them from key resellers, say ...
by jay_kyburz on Tuesday July 09, 2019 @06:17PM
(#20397246)
You can send a key out that will only unlock a Review "branch" of a steam game. The game itself can be clearly marked as a review copy and can even be a cut down copy of the game if you want.
For Void Bastards we often have multiple branches going out to different groups for different things.
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[0] - So that you can't derive a key of one type from the key of another type.