You do not get steam on the PS3 you connect to get steam with the PS3 Portal 2 Game in a game mode only see related links
-you can't. It's a PC thing.
At Steam's own site they tell you to install Steam you need Window XP Vista or 7 and the PS3 does not have windows and it also does not have Mac. It also does not have PS3 versions of the games and to quote them "Over 1,100 games are available to purchase, download, and play from any computer. Check out the new releases, indie hits, casual favorites and everything in between." see related link
The portal 2 questions are answered at the related link for
Portal 2 and Steam on PlayStation 3
WRONG!
my friend has played team fortress 2 on playstation3 so it is possible. anyone know how?
If you want to just have a portable steam box then look into the Nvidia shield not the PS Vita.
You can not play PlayStation 3 games on a PlayStation 1, but you can play PlayStation 1 games on a PlayStation 3. All of the PlayStation consoles are backwards compatible.
You cannot play Playstation 4 games on a Playstation 4 console. You are also unable to play Playstation 3 games on the Playstation 4.
you can only play playstation games on PlayStation 1, 2 and 3
No. PlayStation 3 games are not backwards-compatible with the PlayStation 2.
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No, you can't play ps3 games on the ps2.
Playstation 3 can play old Playstation games, but Playstation 2 games are not compatible. You can load some playstation 2 games using the hard drive and an emulator, but not all.
Nope, its only the PlayStation 3 games that you can play online with your PlayStation 3.
No you cannot play the PC games on the PlayStation 3 or play PlayStation games on PC