Plot hole: The Toymaker throws that toy bird at the hippie version of himself. The toy goes through him because he is a hologram. Later, he pushes the soldier version of himself at the screen making it crack. How could he if the three others are holograms?
Plot hole: Doesn't it seem a little strange that Arnold, Francis and Rez are still in the game with Juni even though they started before him? We find out they were sent back to the beginning due to Francis cheating in the Megarace. Juni wasn't required to start again and he gets to Level 5 with only 5 minutes left . So shouldn't their time have long since run out?
Answer: This was a reference to the previous movie, in which a scene showed Juni and Carmen able to read each other's minds. In this scene, Juni told Carmen, through reading minds, that her feet stink. She said it because he wanted to be told something only Carmen would say.
Casual Person