The First Slice was a demo version of portal freely available to owners of Nvidia graphics cards as a small promotion. Here I have recreated the demo as a sourcemod since the original is no longer available. Why you would want to get a downgraded version of the game even though you already own the full game, I don't know, but here you are!
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Portal: The First Slice (Steampipe)
Full Version 1 commentThe First Slice was a demo version of portal freely available to owners of Nvidia graphics cards as a small promotion. Here I have recreated the demo...
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