To use the demo scene, you need to do: 1. Set color space to Gamma (Edit -> Project Settings -> Player -> Other Settings -> Color Space) 2. Download and install this assets: - STANDART ASSETS https://assetstore.unity.com/packages/essentials/asset-packs/standard-assets-32351 - LEGACY IMAGE EFFECTS https://assetstore.unity.com/packages/essentials/legacy-image-effects-83913