Reshade and SweetFX for Dead Island Riptide, easy to install. No adjustments required.
Download and run the ReShade Setup.exe from the rar file or extract the contents to a folder on your desktop and run it.
Direct it to the game.exe, Autodetect should work if not set it to direct3d 9 after it completes, close the bar don't run it.
Start and play. (Adjust ingame settings)
Game.exe - DeadIslandGame_x86_rwdi.exe
Location: C:\Program Files (x86)\Steam\steamapps\common\diriptide.
Check my profile for directions for DSR setup for Nvidia users. Reshade version does not require any file changes for DSR.
Below pic with DSR. Cinematic.
Settings. Adjust gamma/lighting.
For the tweaking tool go here Theplaywrite.com
Thanks to Christian Jensen (CeeJay.dk) and Crosire for reshade and sweetfx.
I hope you find these programs and adjustments helpful at making your game more enjoyable.