ive came across some alien glyph that only appear will having night vision on
still haven’t found what they do or why they are there
tried interracting with them but nothing happen.
here some screenshot i took
without night vision
with night vision
They were in the original 360 version dude. I can’t remember if they do anything or not. I don’t think that they do.
been so long since i played halo 3 odst, don’t remember seeing these in the original version
Engineers leave those symbols all around the city.
.