Twofer

Twofer is an Achievement/Trophy in Burial at Sea - Episode 2. The Achievement is worth 10 Gamer Score and the Trophy is bronze.

Requirements
The player will have to knock out two or more enemies at once with one Crossbow Gas Bolt.

Strategy

 * Use the Noisemaker Bolt to attract enemies to one area and then shoot them with the Gas Bolt.
 * Scripted Events usually features more than one enemy having a discussion, meaning that they serve for a great opportunity to get this Achievement/Trophy.
 * The absolutely easiest place to get this Achievement/Trophy is in the Service Bay Lobby directly after getting the Gas Bolt, as four Splicers are watching the television in the lobby.

Behind the Scenes

 * The Achievement/Trophy icon depicts a round gas bomb.
 * The same image is also used for the in-game Gas Bolt ammo icon.