Key cards - an important and necessary element of the game, since they are the only item in the game, which can open doors using the slot under them. Key cards can be found in different places. There are six levels of cards, from 1 to 5, as well as the "Omni" card.
1 Clearance level
- On a locker in a side room in a warehouse;
- On a two-level office table;
- In the side room of SCP-970.
2 Clearance level
- In a small office;
- In the test chamber;
- In the archive (with some chance).
3 Clearance level
Shelf next to the elevator shaft
4 Clearance level
The card will lie on the table
5 Clearance level
- SCP-106 camera
- Main office
- SCP Containment Breach Multiplayer: Weapons in the game
- SCP Containment Breach Multiplayer: How to complete the campaign
- SCP Containment Breach Multiplayer: How to escape from grandfather's dimension
- SCP Containment Breach Multiplayer: Door codes
- SCP Containment Breach Multiplayer: SCP tactics