After finishing the game Dead Space once in 'Medium mode', I managed to unlock 'Impossible Mode' - so here I am playing through Dead Space from the beginning in this difficulty setting ---WARNING GAME SPOILER--- this is only part 3 of the game - I will be uploading the rest of it soon - be sure to check out the video in High Quality (for maximum effect). ... Dead Space horror survival blood scary horrifying PC game necromorph aliens mutated artifact planet gameplay part 720p HD widescreen ...