"Half Life: Opposing Force" walkthrough (Hard difficulty) Chapter 2: Welcome to Black Mesa

Full walkthrough in HD quality of the game "Half Life: Opposing Force" (released in 1999). All the scenario scenes and dialogues were included in the video from the intro of the game till the credits at the end, hence the watchers can understand the storyline of the game. All the items were gathered on each mission. Enjoy watching\rating\commenting the video. Have a nice day. Link to the whole playlist: http://bit.ly/1U9Rn1b PC specifications for this walkthrough: Case: Obsidian Series 900D Supe