1. Portal with RTX
  2. Friendly Fire
  3. Guide by PortalFan9001

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Portal with RTX

Portal with RTX

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Portal with RTX
Friendly Fire

Knock down a turret with another turret.

Friendly Fire0
1 guideOffline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Single Player - These achievements can be obtained by a single player.
PortalFan9001PortalFan900110,612
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On chamber 16 (or any other room with turrets), pick up a turret and slam it into another one.