No post image editing was done on any rendered thumbnail other than adding text.
Base color PSD file is included.
Unity maps (Standard/Metallic shader) : - Albedo Transparency, Metallic/Smoothness, Normal (open GL) Opacity & AO
Unreal maps: Albedo ,AO/Roughness/Metallic, Normal & Opacity.
Hope you enjoy it and wish you a happy renderings.