"Ammo for the Spark Shot, these highly-charged electric cartridges will deliver more than just a few pins and needles to your target."
— Inventory description
"スパークショット用のカートリッジ。 高電圧を流し込むための電極針が 収納されている。"
— Inventory description - Japanese
Needle Cartridges are the standard ammunition used for the Spark Shot. In addition, they can only be found at various locations in the game, and not crafted unlike most other standard weapon ammunition. Although ammunition is rare and low in number, it has a very high stack up to 200 needles.
- Inside the draw of the small table in the northwest corner of the Press Room after obtaining and developing the Film: "Hiding Place" (x7).
- On the bench in the southwest corner of the Cafeteria (x4).
- On the small ledge next to the west side luminous green canisters on the south side of the Bioreactors Room (x3).