the last one you just need to doom-refreshing until you see three purple creatures, two of them eating the tirth one (i think, idrk what they are doing)
and for the 2th last. idk my brain is fuzzy but i think you need to get it thought a other web or you need to doom-refleshing again until you see a photograf pic of the blue screen thing character with the "XD" face with the barely visible text under it saying "remember"