Starcraft 2: Terrans - The Outlaws [Hard]
Difficulty: Hard
This is 2. mission in Starcraft 2 - Wings of Liberty.
Planet: Mar Sara
All tips are in the video, so no need to write about it here.
Also keep in mind that this is strategy game, tips are for my tactic which worked. So do many other tactics and if you want, you can write different strategies in comments.
Game was developed by Blizzard.