It's easier to explain visually than in words so watch the video or scroll down for the TL:DR.
TL:DR - Unity's most recent release introduced me to the LWRP (Lightweight Rendering Pipeline). I tried it on Monday and it had such a marked improvement on my game that I've decided to delay the release by 1 week. The week I've allocated will be spent implementing LWRP. This involves updating the materials, removing extra lights and scenes, and checking each 3D model for errors. I feel bad about delaying after I set the release date but I think the final game will be so much better if I use this new tech.
Combator
It's only 1 week, looking how game looks, I can wait to play it.