Hi all,

Decided to fire up RtK today, and try a playthrough with the GoG.com version. However, I'm experiencing graphical discoloration, "the rainbow effect" I've tried various compatibility modes. The problem persists through all of them. Is this to do with Nvidia's graphics or something within RtK configuration which can be altered? I know this is a old game and support is mostly community based. Any advice would be greatly appreciated.

Best regards!

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Discoloration ("rainbow effect")

IF YOU'RE USING AN ATI/AMD CARD
It seems that this is an issue was caused by the changes made to the drivers from AMD, but was fixed in a driver version introduced in Q2 2014..
Please install the newest driver package:
http://support.amd.com/en-us/download/

If that doesn't help, please revert to 13.4 or older, if your hardware permits this (of course you should go back to the newest drivers once you finish this game):
Catalyst 13.4 64-bit
Catalyst 13.4 32-bit

IF YOU'RE USING WINDOWS 7, but don't have an ATI/AMD card
Contact Support - susceptible games should be patched against this, so let us know and we'll do our best sort this out.
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They may have a solution for a Nvidia card.

gogwitcher300