Game Theory: The End of Markiplier (In Space With Markiplier)
14:43
Game Theory: The Secret Life of Markiplier
40:00
In Space with Markiplier: BLOOPERS + BTS
21:15
Game Theory: Are Theories KILLING Video Games?
16:46
Game Theory: The Hidden Code of Unus Annus (Markiplier & CrankGamePlays)
3:56
Portal theory: Wheatley is the intelligence core
5:59:46
10 Years of Markiplier
16:36
Game Theory: I Made Markiplier's PERFECT Pokemon! (Markiplier Smash or Pass)
16:05