In the mutation RocketDude, there is a hidden logo by the author (ReneTM) on every single official chapter.
Yes, every.
0:00 Dead Center
1:03 Dark Carnival
2:08 Swamp Fever
3:07 Hard Rain
4:13 The Parish
5:12 The Passing
6:01 The Sacrifice
6:38 No Mercy
8:18 Crash Course
9:10 Death Toll
10:23 Dead Air
11:39 Blood Harvest
13:03 Cold Stream
14:16 Last Stand
![](https://i.ytimg.com/vi/bONdQZ6J_vg/mqdefault.jpg)