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Anomaly Containment System (ACS)[]

SCPs are classified through the Anomaly Containment System. Including Disruption Class (Secure), Containment Class (Contain), and Risk Class (Protect).


Containment Class[]

Safe[]

Safe Class

SCPs that are very easy to contain or do not need many resources to contain. It does not mean that SCP is harmless, just simple to contain.

Euclid[]

Euclid Class

SCPs that require more resources to contain completely or where containment isn't always reliable. Usually this is because the SCP is insufficiently understood or is inherently unpredictable.

Keter[]

Keter Class

SCPs that are very difficult to contain or haven't yet been contained. Generally, the resources used to contain these SCPs are often very limited, yet they need much of the resources to contain it. This doesn't mean the SCP is dangerous; just difficult to contain. For example, anomalies that teleport may not be dangerous, but may be difficult to track down and keep under locks.

Thaumiel[]

Thaumiel Class

SCPs used by personnel in containing or counteracting other SCPs. Thaumiel SCPs may be useful to the foundation or the world

Neutralized[]

SCPs that have been destroyed or disabled by intentional or accidental means.

Written as follows:[]

Item #: SCP- ∞[Number] (or SCP- ∞)

Containment Class: Neutralized (formerly safe)

Apollyon[]

Apollyon Class (Not Fixed Symbol)

SCP that are impossible to contain and/or are expected to breach containment very often[as in, more often than Keter class anomalies]. Usually associated with world-ending threats (or 'K-Class Scenarios), it requires a massive effort from the Foundation to deal with.

Archon[]

SCP's that can be contained but are not due to their positive anomolous effects on our planet's reality.

It may be a part of our ‘common knowledge’ of reality or have worse retribution/effect on our world if put into containment.

Disruption Class:[]

Anomaly's and their ability to break the masquerade of normalcy.[]

Dark[]

Not very likely to disrupt the general population. Dark-class SCPs have extremely low potential to cause disruption, due to being essentially inert when not interacted with.

Vlam[]

Not likely to disrupt the general population, typically confined to a locality. Vlam class SCPs have reasonable potential to cause disruption; their anomalous effects can affect multiple people, albeit localised to a small handful of people. Due to the relative simplicity of containing and covering up public perception of Vlam class objects, they are usually somewhere between Level 1 and 3 clearance and Safe or Euclid-class containment.

Keneq[]

Likely to disrupt the general population, typically confined to a region or city. Keneq-class SCPs have a fair amount of potential to cause disruption, as their anomalous influences can spread with fairly significant speed, fast enough as to cause concern, and extend across the population of a medium or large settlement. Due to the moderate difficulty the Foundation experiences while neutralising their effects, Keneq-class SCPs are usually given the containment class of Euclid or Keter, and rarely mentioned in material below Level 3 clearance.

Ekhi[]

Extremely likely to disrupt the general population. Disruption is typically widespread, affecting major metropolitan areas or countries. Ekhi-class SCPs pose serious threats against the status quo and the Foundation's veil of secrecy, as they are confirmed to be capable of mass disruption, extending across the size of a large metropolitan area to an entire country. Said area of effect can potentially become international or intercontinental under certain circumstances. Due to the swift spread of anomalous phenomena and high difficulty in neutralizing their effects, the containment class of Ekhi-class SCPs are almost always Euclid or Keter. Security clearance is usually of moderate or high level, increasing in confidentiality depending on the risk class.

Amida[]

Worldwide disruption of the general population. Disruption is global. Threats may disrupt an area larger than Earth.

The designation is reserved for special circumstances, and entails the authorised termination order of the anomaly if possible.

Amida-class SCPs pose dire threats against the status quo and the Foundation's veil of secrecy. Disruptive properties would extend globally, and in some cases, potentially affect the entirety of the universe. Since containment of Amida-class SCPs is of first and foremost priority (seconded by both discovering a means of neutralisation and the welfare of highly specialised research personnel), they are almost always designated Keter or given an Esoteric containment class. Amida-class documentation is highly confidential, usually above Level 4 clearance.

Risk Class[]

Notice[]

The anomalous effects of the object are nearly non-existent to mild.

An individual within close proximity of the object would not feel anything as a result of the object.

It poses no danger to any individual nearby.

Caution[]

The anomalous effects of the object are mild to moderate.

An individual within close proximity of the object may feel mild effects from the anomalous object.

It poses mild danger to any individual nearby.

Warning[]

The anomalous effect of the object are moderate to significant.

An individual within close proximity of the object will feel mild effects or may feel major effects from the anomalous object.

It poses moderate danger to any individual nearby.

Danger[]

The anomalous effect of the object are significant to extreme.

An individual within close proximity of the object will feel major effects or may feel extreme effects from the anomalous object.

It poses significant danger to any individual nearby. These effects are difficult to help.

Critical[]

This Risk Class should only be chosen when the object's effects will be near instant and/or extremely severe.

It does not, necessarily, need to cause actual death, but death is incredibly likely and expected. Any individual nearby will feel the effects near instantly and the possibility of recovery is impossible. These effects cannot be helped.

Esoteric Class[]

Sub-Containment Classes that are created for specific incidents.

Anomalous[]

A classification for SCPs that are too simplistic to even receive a Safe classification; many of these are little more than curiosities. [SCP-472] was formally assigned this class in 2012, making it the oldest known SCP to use this class (given how common the word anomalous is in SCP articles, the history of this class is difficult to track). The class has since been used in SCP-1796, SCP-5214, SCP-5524, and SCP-5289. Dr. Gray’s Proposal (originating from the French wiki) uses the class Abnormal; according to A Comprehensive List of Esoteric Classes, this is a variant of anomalous.

Antithesis[]

A classification for SCPs that must be actively used, even though this active use prevents the SCP (or other SCPs) from being fully contained. The class is solely used in SCP-5956.

Argus[]

A classification for SCPs whose containment procedures may only be carried out by other anomalous organizations. According to @daveyoufool, the creator of the class, Argus is a step-up from Cernunnos. The class is solely used in SCP-5298.

Azathoth[]

A classification for SCPs that are incredibly dangerous and destructive. In universe, the class was created by a researcher who was being influenced by an SCP that makes people think it is super dangerous. The class is solely used in SCP-4626.

Cernnunos[]

Item has been integrated into the Foundation's command structure.

A classification for SCPs with functional containment procedures that the SCP Foundation refuses to carry out due to the very nature of the features. Typically, the containment procedures raise serious ethical concerns, would result in a massive loss of life, or would require excessive logistics. The class was first used in SCP-4971, where the containment procedure is to kill every living person. It was later used in SCP-5431, where the SCP Foundation determined that containment was more trouble than it's worth. The class is also used in SCP-5699, SCP-5721, SCP-5751, SCP-5849, and SCP-5422. (Ex: SCP-001, or “God’s Blind Spot” area, is used as an SCP HQ, protects important admin ie the 05 Council.)

Challenge[]

53 Class

An object class used solely in SCP-5242 (referred to as SCP-INTEGER in-universe). The class (to the best of my interpretive abilities) appears to refer to infohazard-esque SCPs that most be referred to in a specific and complex way to successfully contain and document; failure to properly follow proper containment procedures will result in the SCP spreading outside of its own documentation pages and into other information sources such as the SCP database.

Continua[]

Zeno Class

A classification for SCPs whose has operation has been greatly altered by the disappearance or destruction of an essential part of the anomaly. The class was originally used by SCP-5649 which was posted on March 13 or 14, 2020 for the 2020 Jamcon and deleted by by late June 2020. On March 23, 2021, the class was reused in SCP-5295 (created for the Jamcon 2021) which gave it an identical definition.

Damballah[]

Heimal Class

A classification for SCPs that are currently contained, but where the methods and purpose of containment are unknown. The class is solely used in SCP-5466.

Da'as Elyon[]

A secondary classification for widespread and well-known SCPs that can't be contained due to the beneficial aspects of the SCP; the containment procedures consists of covering up the anomalous aspects of the SCP. The class is solely used in SCP-5338.

Declassified[]

A classification for SCPs that the SCP Foundation has revealed to the public. The class is used once in SCP-3882.

The new Decommissioned class is also referenced in IHP's SCP-5000 proposal, specifically somewhere in this Twine file. This version is also used in SCP-001-D, "A Featured Tale."

Decommissioned[]

An object class for SCPs deliberately neutralized by the SCP Foundation. Originally, decommissioned was a meta-class for SCP that were so poorly written they were destroyed in-universe and added to an out-of-universe wall of shame. This process started in 2008, largely fell out of favor in 2009, and last occurred in 2011. The current definition was coined by SCP-4456-D, which was posted in October 2019 as a tribute of sorts to the original decommissioning process. That same month, Decommissioned was used in a similar manner in SCP-4175, replacing 4175's original neutralized class. Since then, the class has been used in SCP-5075, SCP-4659, SCP-5932, SCP-0000-EX, SCP-5398-D, SCP-5825, SCP-5363-D, and SCP-5281. (For the SCP count at the bottom of the list, I only count SCPs using the new definition).

Dependent[]

A class for SCPs that are safe to contain and for which the SCP Foundation has a moral obligation to sustain them. In other words, these SCPs are legally dependent on the Foundation. The class is solely used in an iteration of SCP-5296 (main article).

Drygioni[]

A class for SCPs whose authenticity is under investigation by the Overseer Council. The class is solely used in SCP-4839.

Ein Sof[]

A classification for SCPs that need to be kept sedated to preserve the fabric of reality. The class is solely used in Dr. Gray's Proposal, an 001 proposal.

Dr. Gray's Proposal was originally posted on the French SCP Foundation website in September 2017; the SCP was translated and posted on the English website in September 2019. Ein Sof is the first class in the English wiki (esoteric or official) that originated from a foreign language branch.

Embla[]

A classification for SCPs that the Foundation uses to create other SCPs. The class is used once in Dr. Mann’s Proposal, which is an entry in the SCP-001 hub.

Enochian[]

A class for SCPs that cannot be contained because they constitute baseline reality.. The class was first used in SCP-340-Fr on the French wiki, then some English joke articles, and finally in SCP-4755. This is the second class to come from a foreign language branch.

Eparch[]

A classification for SCPs that are not themselves anomalous, but that are closely related to and acts as evidence of anomalous phenomena. The class was first used in SCP-4015, an entry in the SCP-4000 contest. It was later used in SCP-139, SCP-5977, and SCP-5349.

Gevurah[]

A classification for SCPs that can endangers the inner structure of the Foundation and limit the ability of the Foundation to carry out its secondary objectives. The class was first used as an object class in SCP-3666 and later in SCP-5723. It is is however used as a “disruption class” in SCP-4645. (I do not count this as a usage in my official count).

Gödel[]

A class for SCPs that can be explained using anomalous technology, but would be viewed as anomalous by an uniformed observer and non-augmented science. The class was first used in SCP-4555, an entry in the SCP-4000 contest. It was later used in SCP-5326, [SCP-5078] (http://www.scp-wiki.net/scp-5078), SCP-5347, and SCP-5616.

Hera[]

A classification for SCPs that are hostile but of a high utility to the SCP Foundation. The class is used in SCP-4113.

Hiemal[]

A complex classification for an interrelated set of anomalies that keep each other in check. The class originated in SCP-3240 (for the SCP-3000 contest), and was later used in SCP-3700, SCP-3787, SCP-4540 (for the SCP-4000 contest), SCP-4121, SCP-5365 and McDoctorate's Proposal (main article). A discussion thread on the class can be seen [here.] (http://www.scp-wiki.net/forum/t-2248705)

Ignosi[]

A classification for anomalies that whose discovery, including by the wider SCP Foundation, must be prevented. The class is currently used in Automated Passive Amnestization System Ver. 17.09. Since this is more of a tale than an SCP, I’ve not included this in the count of SCPs with a non-standard class.

Israfil[]

A classification used solely in SCP-5709. According to Elogee FishTruck (the author of the SCP), it refers to the aftermath of SCP-055 and SCP-579 interacting.

Keter-Dark[]

An esoteric class with no clear definition that is used instead of the standard Keter for apparently no reason. The class is solely used in SCP-5761 to mock the excessive use of esoteric classes.

Khonsu[]

A classification for SCPs expected to soon by neutralized by means outside of Foundation control. Studying these SCPs before their unavoidable destruction is a high priority. The class is solely used in SCP-5649.

Maksur[]

A classification for SCPs that were broken apart into components that are themselves anomalous, and that must be kept apart from each other. The class was first used by @TwistedGears-Kaktus Proposal, an entry in the SCP-001 hub. It is also referenced by SCP-3301 and SCP-4882. The class would later be used in SCP-5241 and SCP-5238.

Malchut[]

A classification used in lieu of "Keter" at Site-19; an anomaly present at the site causes every use of the word "Keter" to be replaced by the word "Peter" and a crude drawing of Peter Griffin from Family Guy. The class was previously used in the now deleted SCP-4342, albeit with an alternative spelling and definition. The only extant SCP using this class is SCP-5148.

Mendax[]

A classification for SCPs that make observers unable to acknowledge the SCP’s existence. The class is solely used in SCP-4955.

Netzach[]

A classification that refers to the Earth and its unique ability to support life. The class is solely used in Billith's Proposal, an entry in the SCP-001 hub.

Numen[]

A secondary class for SCPs that are deities. Numen was originally used as a modification to the base Euclid class (Euclid-numen), but was first used as a stand-alone secondary class in SCP-3906. A complete list of SCPs using Numen as a Euclid sub-class can be viewed at Reddit.

Paradox-Apollyon[]

A classification used for SCPs that will inevitably destroy humanity; the only way to halt the SCP is to destroy humanity. In other words, these SCPs are paradoxes that will destroy humanity if no solution is found. The class is solely used in Arbelict's proposal, an SCP-001 proposal.

Paradox-Thaumiel[]

A classification for SCPs designed to destroy humanity and the universe. The class is solely used in Arbelict's proposal, an SCP-001 proposal. In that proposal, humanity was on the verge of destroying the multiverse; the decision was made to sacrifice humanity for the benefit of other universes without humans.

Principalis[]

A classification for threats, anomalous or otherwise, that directly threaten the 05 Council and thus the existence of the SCP Foundation. The class is solely used in djkaktus's Proposal III, an SCP-001 proposal.

Kronecker[]

An anomalous object class that replaces other SCP object classes in SCP entries. The Foundation has voluntarily classified SCP-2062 with this class. Out of universe, SCP-2062 is the only entry the class appears on.

Kušum[]

A classification for SCPs whose containment procedures have been abandoned indefinitely. The class was first used in SCP-3319. It was later used in SCP-5669.

Realitätsbrecher[]

A class for SCPs that are highly unstable and lose substantial threats to baseline reality; containment consists of maintaining the integrity and stability of the SCP. The class is solely used in SCP-4582.

Simpatico[]

A classification for SCPs that are unpredictable but not dangerous. The class is solely used in an iteration of SCP-4939 (main article).

Sköll[]

A classification for SCPs that are unavoidably decaying or being destroyed. These SCPs will inevitably be neutralized, break containment, or both. The class is solely used in SCP-5651.

Skótos[]

A secondary classification for SCPs whose "research and documentation is still in progress or severely lacking.". The class is solely used in SCP-5703.

Spiritual[]

An anomalous object class (and containment procedure) that will randomly insert itself into SCP documents. While the object class can normally be edited out of SCP articles, this has proven impossible in the SCP article describing the anomalous object class. This class is solely used in SCP-4487. It was originally used in an earlier version of SCP-4487 where it referred to SCP's that are "incorporeal anomalous entities."

Terminal[]

A secondary classification for SCPs that incorporate human identities after the death of their physical bodies. In other words, these SCPs constitute some form of afterlife. Note that if the SCP Foundation can "contain" the afterlife itself (i.e. prevent reanimation or destroy the entity allowing the afterlife), then it is not considered terminal. See this explanation for more details on the class.

The class was first used on the Spanish wiki on June 2018 in SCP-ES-163. The class was used a second time in SCP-ES-145, which was posted in October of that year. SCP-5523 was the first English language SCP to use the SCP (this was an original entry, not a translation). Amelia Wright, the author of 5523, obtained the class from an extensive explanation posted by the author of ES-145 to the article’s posting on the International Translation Archive. (Note: I only count uses on the English language website for my object count at the bottom of this page). The class was later used in SCP-5961 and SCP-5572.

Tiamat[]

A classification for SCPs that pose an immediate and irrevocable threat to humanity, and which need to be dealt with swiftly to protect humanity. The class is essentially on the brink of becoming an Apollyon: the Foundation has a small number of last-ditch options to stop the SCP (such as conventional bombardments or prototype weapons), but if these options fail then humanity is doomed. The class was first used in SCP-3895. It was later used in SCP-4931 (an SCP-4000 contest entry), SCP-3396 (replacing the SCP's former keter class), SCP-5034, and SCP-5866.

Truculent[]

A secondary class for SCPs that are fluid, changing and unpredictable; the containment procedure of SCPs with this class must be continuously updated . The class is solely used in SCP-4703.

The class was first proposed in January 2014 by schifter (a Wikidot member who has since deleted their account) as a theoretical class for SCPs that are dangerous, unpredictable and dangerous to interact with. The class was included in Nagiros's A Comprehensive List of Esoteric Classes article in May 2019. PeppersGhost, the author of (SCP-?)4703, included the class after reading through Nagiros's list and determining that the class had potential; 4703 was posted in September 2019.

Ticonderoga[]

A classification for SCPs that are too powerful or evasive to contain with available technology, but do not require any extensive containment procedures due to their nature. The class was originally created for SCP-4444 (an entry in and the second place winner of the SCP-4000 contest). It was later used in SCP-4270, SCP-5494, SCP-5464, SCP-5170 (main article), SCP-5623 (main article), and SCP-5814.

Yesod[]

A class for contained anomalies that have been integrated into the command structure of the SCP Foundation. The object class was originally used in spikebrennan's proposal (an 001 proposal posted in August 2017), where it referred to the single blind spot of the Judeo-Christian God and the command center built within it. In August 2019, Spikebrennan posted a second SCP using the class: SCP-4436. The SCP is about a computer system, constructed out of the bread and wine of communion, that can be used to upload human consciousness. This SCP cemented the current definition and expanded Yesod from a one-off to a class that can be reused. The class was later used in SCP-5292.

Zenzizenzizenzic[]

An undefined object class used by a Foundation employee whose brain was in the process of being reprogramed. The scientist was writing a stream of containment procedures, each one more incoherent and disconnected from the standard SCP style than the last. At one point, the scientist even listed "dishwasher" as an object class. The Zenzizenzizenzic class appeared in one of the last containment procedures when the scientist was still reasonably lucid and not completely overtaken by the SCP. The class is solely used in SCP-5145.

Zeno[]

Used for SCPs that have medium containment difficulties but pose a low threat. The class is used solely in SCP-2005, a submission to the SCP-2000 contest.

Zurvan[]

A class for SCPs that cannot be contained and should not be contained because these SCPs constitute an element of baseline reality. The class is solely used in an iteration of SCP-5103 (main article). (Note that the iteration claims to be an 001 proposal, but does not actually occupy an 001 slot so will not be counted as such in the below tally).

Secondary Class[]

SCP classifications that are uncommon (not always seen as ‘canon’).

Containment Class[]

Unclassed[]

Object classification has been intentionally avoided.

__[]

Object class has been omitted.

Safe[]

Object class is being lied about.

Others:[]

[DATA EXPUNGED]

[.....]

ERROR

[REDACTED]

Disruption class[]

Describes the amount of disruption this Anomaly has on Reality as we know it.[]

Infrared[]

The amount of disruption that this item is producing cannot be discerned.

Erloschen[]

May cause great shifts in reality, however due to altering reality these effects are considered normal.

N/A[]

Disruption class is inapplicable due to the veil being broken.

Null[]

Item is intentionally exposed to the populace, making a disruption class inapplicable.

Death Class[]

Death[]

Causes immediate death without clear reason.

[Side note from the editor/writer: LOL imagine dying and your grave says: it just happened. That's depressing.]

[Another note from another editer: Bro same. Just... It would be funny as heck. Or this would say on the grave ston: "He just fucking died. No reason at all" LOL]

Anti-Bio hazard Class[]

This Class is for Objects or sometimes entitys that can destroy a radioactive object, or sometimes he can neutralize it because of his effect against it.

Anti-Mater Class[]

This class is for objects or entitys that can literly destroy every type of mater (Even: Luiq, Solid, Gas) this class is considered more dangerous then the Apollyon beacuse it extremely difficult to contain, sometimes is even impossible.

[EUCLID LEVEL THREATH][]

An class Euclid Objects/Anomalys that can easly escape and sometimes they can even destroy citys.

[KETER LEVEL THREATH][]

An class for Keter Objects/Anomalys that have more chance to escape from their conteniment.

[APOLLYON LEVEL THREATH][]

An class for Apollyon Objects/Anomalys that can't be contained, hide is the only way to avoid the.

??? Class[]

This class is for Objects/Anomalys that have powers that are still not fully known, or it's just difficult to understand them.

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