Two engineers have been fighting for eons, arguing what is the best : Sentry? or Dispenser? You decide!
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https://www.youtube.com/watch?v=UuN2foyd7Hc
Obvious Heavy is Dead reference with no reason.
Astronomia remix can be found here : https://drive.google.com/open?id=10wivQWCWo5D40QdVXpGWUhanHRVNtJ4w
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https://www.youtube.com/watch?v=li8FPmmq2Mw
The patterns consisting of infinite number of TF2 characters. And also, the optical breakdown of multiple maps of 2Fort and Dustbowl.
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https://www.youtube.com/watch?v=7ub6-f7A1G4