Installing Reshade
- https://reshade.me/#download
- Click Download ReShade x.x.x (you dont need full add-on support.)
- Open the installer.
- Select Rhythia.Desktop
- Select OpenGL
- Click Uncheck All and then Check All
- Wait for all the various shaders to install.
- You're done.
Installing Presets
Drop PRESET_NAME.ini into Rhythia's installation directory:
- C:\Program FIles (x86)\Steam\steamapps\common\rhythia
Using Presets
- Open Rhythia.
- Wait for the game to finish loading.
- Press Home key on your keyboard.
- Select your installed preset via the dropdown at the top of the ReShade window.
Profit?
(I've attached some working presets to this post.)