1. @ 0.03
The image that comes up contains the Monstrosity 1 , a Zombie Chef 4 , the Dead Jester 2 , 2 regular Zombies 3 and 1 unknown Boss Character 5 (sort of looks like one of Zombie Santa's helpers).
There is a zombie spawning from the ground and some being dropped from the sky by the puppet master.
3. @ 0.08
In dying, the Zombie disappears as the Penguins of the Penguin Mob...(in a cloud).
4. @ 0.12
There is a clear view of the worm, and a furry sense boss icon (red B).
5. @ 0.20
When John picks up the coins his score goes up, this is the reason for the coins.
John avoids walking on Grandpa, why!? Grandpa is still dangerous?

6. @ 0.28
We can see a circular spawn group move in, if you look at the ones behind the wall some zombies get stuck due to object collisions.
That is it guys, I hope this brought some hidden details to light.
- Rooteboy (Pictures by Sess22)