That's Impossible, Even for a Computer is a location-based challenge in Borderlands 2. To perform this challenge in Lynchwood, it is required to throw a grenade into the open hatch of Death Row Refinery. It is worth 5 Badass Rank.


Borderlands 2 That's Impossible, Even For A Computer Challenge Guide

Borderlands 2 That's Impossible, Even For A Computer Challenge Guide

In the southwestern part of the map on the side of a large building there is an exhaust pipe. Every few seconds the hatch on the pipe will open and emit a blast of fire. Around the exhaust pipe there are four light bulbs that will turn red one by one; when the last one turns red, the hatch opens.

Throw a grenade in the open hatch to complete the challenge. A longbow grenade makes this easy to complete—just throw it right as the fourth light turns on.


  • This challenge can be completed by throwing Krieg's buzzaxe into the pipe, even after the doors have closed.


  • The name of this challenge paraphrases a line in Star Wars, spoken in reaction to a difficult target objective where a small warhead must be directed into a narrow opening.

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