- May 21, 2014
And explanation for that is that they keep absolutely all rights of everything done with their tools or assetsValve are perfectly okay with you using their assets for any free project, whether it be map, poster, machinima etc. Hell, they pretty much encourage it.
Still, when buying (in this case) Portal 2, you're paying for each little element that's included in the game. That of course includes the foliage models.Playing a TF2 Map with Portal 2 assets =/= Playing actual Portal 2