BioShock Infinite achievements

BioShock Infinite

4.6 from 763 votes

There are a maximum of 80 BioShock Infinite achievements worth 3,887 (1,670)

17,419 tracked gamers have this game, 530 have completed it (3.04%)

Achievement Details

Twofer in BioShock Infinite

Twofer19 (10)

Knocked out two or more enemies using the same Gas Bolt.

  • Unlocked by 4,894 tracked gamers (28% - TA Ratio = 1.89) 17,480  

Achievement Guide for Twofer

436,685 (301,942)
Achievement won on 16 May 17
TA Score for this game: 2,924
Posted on 16 May 17 at 15:47
This solution has 1 positive vote and 3 negative votes. Please log in to vote.
After you collect the tube from the Bathysphere (story related) and ride back down the elevator to the Service Bay entrance, you will see a crossbow and gas bolt ammo on the floor.

Quietly pick up the ammo and sneak around the corner where you will see a group of splicers. Simply shoot one of them to wipe them out.

To make things easier you can use your Peeping Tom plasmid to see them through the wall before you shoot the gas bolt.
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