Markiplier is making a feature film adaptation of a $6 horror indie game where you pilot a windowless submarine under an ocean of blood
Longtime YouTuber Mark «Markiplier» Fischbach has revealed that he is directing and starring in an adaptation of Iron Lung(opens in new tab), last year's breakout indie horror game from Dusk developer David Szymanski. Markiplier has uploaded a teaser trailer of the project to his YouTube channel(opens in new tab).