This is the E3 2015 demonstration that was shown off behind closed doors for Sniper Ghost Warrior 3. The below shows off about 24 minutes of gameplay footage for the open world game and is narrated by the game's developers, CI Games.

If you'd like to learn more about the game, simply head on over to the Sniper Ghost Warrior 3 website. I'm sure we'll also have more on this game as its release nears.