Grouped sprites, tilemap or just grouped, wont render in standalone mode (Provided project files)

[Project files][1]

The tiles are from a tilemap. The material is set up like this:

When run “in editor” the game looks as intended, like this:

73490-good.png

However, once I either “launch” the game, or play it “standalone” the game looks like this:

I cant for the life of me figure out why! Anyone has any experience with this issue and how to resolve it?

Hmm. After closer investigating the problem the same thing happens to ALL grouped sprites. Still dont know how to solve it though.