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I want to disable the awful pixelization effect in the game. I found a file called tweak_table.xtbl which is supposedly placed in the root game install directory in Saints Row IV. (Or so the instructions say for the Steam version)

As far as I can tell, the GOG version of SR:IV doesn't work with the tweak file.

Is there a GOG specific command line switch or some such that will turn it back on?