Doom 3 HD playthrough / walkthrough / longplay / gameplay of the full single player campaign as a single video. Played on "Nightmare" difficulty. If you wish to see the same playthrough in better quality, but in several parts, check out this playlist: https://www.youtube.com/watch?v=OYcdTTXCy8Q&list=PLBC31EB6B20B64534&index=2 For more single-video longplays like this, check out this playlist: https://www.youtube.com/playlist?list=PLBWF_Gc9qEJaAoskC5DG1vhDOGMhBLdrf
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