I'm not talking about remakes, remasters, whatever. I mean, same generation, same graphics, different hardware.
I own three copies of Portal: a 360 and a PC copy of the Orange Box, and the XBLA title Portal: Still Alive, which came with bonus maps.
Straddling the console divide this generation, I have two copies of Destiny.
And I'm currently considering buying The Talos Principle on PS4. I have it on Steam, and it's probably the best game I've bought this year, though I do love Crash. On top of that, I can try shooting for the best ending, as well as a different one for the DLC.
How about you lot? Are you as wasteful as I am? =D
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I think Skyrim is the only game I've bought for multiple consoles. And it was the Remaster with modding and all the DLC's... So I thought it was justified.