Why are my 2d graphic glitching out?

Hi!, I want to Build/export my game.

but this is how it looks like... graphic glitch pic1 https://imgur.com/ZCcSBPR

graphic glitch pic2 https://imgur.com/fz0kpmf

how it looks when i play it in unity https://imgur.com/PbQIk2x

build settings https://imgur.com/xBkS0wz

built/exported files https://imgur.com/ma1tyHG Im using unity 2018 3,5f1Personal.

Background sprite https://imgur.com/rZqPPk5

build screenshot https://imgur.com/AFbdlGy

it looks like my buil´t files are 10,7gb is that too large maybe? https://imgur.com/reGsBkH

the picture with the exported files. does it look like theres to many files? if i compare it to when others export for pc mac linux standalone...

(this is my first game)