SAFE test

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The SAFE test is a test used by the Covenant in Fallout 4.


The test is used by the Covenant to monitor those who pass through the settlement, and is administered by Swanson.

Officially, the Covenant claims its purpose is to keep "undesirables" from entering; however, it is later revealed that the test was created by Doctor Roslyn Chambers in order to root out synths. Those who "fail" the test - in other words, those who show synth-like behavior—are kidnapped and taken to the Compound, where they are subjected to interrogation and torture.

However, the test has proven to be inaccurate—over three-quarters of those taken to the Compound turn out to be human upon conducting autopsies, though Chambers claims that the test is improving with modifications. Not to mention there is no mechanism for determining false negatives, and anyone who takes the test and passes is not tested again. Therefore it is unknown how many synths the test actually catches or how many humans that pass the SAFE test are replaced later.


The SAFE test is given to the Sole Survivor upon reaching Covenant. It also appears in the quest Human Error, which reveals the true intentions of the test. It is also mentioned in various terminal entries and holodisks found in the Covenant and Compound.

Behind the scenesEdit

  • The SAFE test is actually a version of the G.O.A.T. test from Fallout 3 using most of the questions, though a few have been modified or removed.
  • The usage of the test to screen for synths is a direct reference to the Voight-Kampff test in the film "Blade Runner." In the movie, the test is used to identify Replicants (artificial humans used as machines) that are otherwise indistinguishable from normal humans, much like generation 3 synths. This is one of many references to Blade Runner throughout Fallout 3 and 4.

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