# Custom Classes ** ** ::: <span style="color: #ffffff;">**Custom Classes**</span> are special roles that spawn in place of basegame roles. ** ** All <span style="color: #ffffff;">**Custom Classes**</span> have unique HP, inventories, sizes, spawn locations, and abilities. ** ** <span style="color: #7b46e3;">**Active Abilities**</span> are abilities that are activated by pressing your noclip keybind (**LEFT ALT** by default) ** ** <span style="color: #7de346;">**Passive Abilities**</span> are abilities that are constantly active. ** ** <span style="color: #e35646;">**Trigger Abilities**</span> are abilities that activate upon performing a certain action, such as killing an enemy. ::: ** ** |<span style="color: #e36c17;">Class-D Personnel</span>|<span style="color: #e3c620;">Scientist Personnel</span>|<span style="color: #5e5e5e;">Facility Guard</span>| |-|-|-| |[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/Class-D%20Personnel)|[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/Scientist%20Personnel)|[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/Facility%20Guards) ** ** |<span style="color: #2a40e8;">MTF Operatives</span>|<span style="color: #175720;">Chaos Insurgents</span>|<span style="color: #8f2e56;">Serpent's Hand</span>| |-|-|-| |[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/MTF%20Operatives)|[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/Chaos%20Insurgents)|[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/Serpent's%20Hand) ** ** |<span style="color: #b80707;">SCP Subjects</span>|<span style="color: #b3b3b3;">Unclassified</span>| |-|-| |[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/SCP%20Subjects)|[](https://wiki.chaostheoryscp.com/Plugin%20List/Custom%20Classes/Unclassified)