Control Resonant Dr. Raya Underhill File Locations
Control Resonant has 9 Dr. Raya Underhill collectibles, the files of the researcher studying the Mold and the Patterning in The Park. Six are in The Park, and three are back in the Oldest House, locked in an office that only opens with the Level 6 Keycard from the New Growth side quest. In the sequel once rumored as Control 2, the Control Resonant interactive map of The Park covers the larger half of the trail.
Underhill’s files span two zones, and Vlad Susanu tracked them across both for Map Master, pinning each one along the way. Every other Archive set links from our Control Resonant 100% tracker, while this page explains which three you can grab anytime and what New Growth opens.
Dr. Raya Underhill Collectibles You Can Grab Anytime in The Park
Three of the nine need no quest at all. Busken’s Note and Underhill’s Memo are both inside the Park FBC Base, one on a desk and one on a table, and Underhill’s Hypothesis is on the roof of the southern Park Research Site building.
Busken was a Ranger working with Underhill, and the Hypothesis lays out her thinking on how the Patterning and the Mold connect. Pick up all three on your first sweep of The Park, since the FBC Base alone gives you two of the nine before New Growth even starts.
Dr. Raya Underhill Collectibles During the New Growth Side Quest
The other six come through New Growth, one of the jobs on our side quest list for Control Resonant. Underhill’s Resignation Letter only spawns on the Park Research Site roof after the quest starts, and it’s both an Archive file and a key item for the quest.
Inside Underhill’s Lab, The Mold Growth Stimulator and Response From Pope wait on desks, the second one being Pope’s reply to Underhill’s research request. Her work on the Mold ties directly into the enemy records in our Mold Research collectibles, so the two sets read well side by side.
Underhill’s Oldest House Office and the Level 6 Keycard
New Growth also hands you the Level 6 Security Keycard, and our Control Resonant Key Item guide ties it to Underhill’s Resignation Letter. That card opens the third office on the left in the Executive Sector’s large hall, past Jesse’s office in the Oldest House.
Three files are on desks in that one office: Underhill’s Personal Notes, her Research Notes on the Mold, and the Welcome Letter that brought her on as an FBC contractor. The Oldest House area of our Downtown map is the place to plan the trip, and one stop clears a third of the set.
How Many Dr. Raya Underhill Collectibles There Are, and the Quickest Route
There are 9: six in The Park and three in the Oldest House. Only the three in the FBC Base and on the southern Research Site roof are free, while the other six depend on New Growth and its keycard.
The quickest route is the free three on arrival in The Park, then New Growth through Underhill’s Lab, then a single trip through a Control Resonant fast travel door back to the Oldest House for the office. None of the nine are missable, and The Park’s biggest Archive set, with seven files, is in our Park Survey collectibles.
| Name | Map Location | Details | Found |
|---|---|---|---|
| Underhill’s Resignation LetterThe ParkUnderhill’s Resignation Letter | The Park | Underhill’s Resignation Letter is a collectible in the Dr. Raya Underhill Archive Set and a key item you'll need to retrieve while playing the New Growth Side Quest. It spawns on the table on the roof of the Park Research Site, only after you start the associated quest. It is Underhill’s letter of resignation from the FBC. | |
| Underhill’s Personal NotesDowntownUnderhill’s Personal Notes | Downtown | Underhill’s Personal Notes is the fifth collectible in the Dr. Raya Underhill Set. It is found on a desk in the Executive Sector of The Oldest House, in the locked office in the large hall, past Jesse’s office. After reaching the large hall, it is the third office on the left. You can open it only after you get the Level 6 Key Card during the New Growth Side Quest in the Park area. The document includes notes from Underhill’s personal journal. | |
| Underhill’s Research NotesDowntownUnderhill’s Research Notes | Downtown | Underhill’s Research Notes is the sixth Archive collectible in the Dr. Raya Underhill Set. It is found on a desk in the Executive Sector of The Oldest House, in the locked office in the large hall, past Jesse’s office. After reaching the large hall, it is the third office on the left. You can open it only after you get the Level 6 Key Card during the New Growth Side Quest in the Park area. The document includes notes from Underhill’s research on the Mold. | |
| Welcome LetterDowntownWelcome Letter | Downtown | The Welcome Letter is the seventh Archive collectible in the Dr. Raya Underhill Set. It is found on a desk in the Executive Sector of The Oldest House, in the locked office in the large hall, past Jesse’s office. After reaching the large hall, it is the third office on the left. You can open it only after you get the Level 6 Key Card during the New Growth Side Quest in the Park area. The document is a letter welcoming Dr. Underhill as a new contractor for the Federal Bureau of Control. | |
| The Mold Growth StimulatorThe ParkThe Mold Growth Stimulator | The Park | The Mold Growth Stimulator document is the 8th collectible in the Dr. Raya Underhill set. It is found on a desk in Underhill's Lab, which you'll get to explore when playing the New Growth Side Quest. It includes Underhill’s notes on the completion of the Mold Growth Stimulator. | |
| Response From PopeThe ParkResponse From Pope | The Park | The Response From Pope Archive document is the final collectible in the Dr. Raya Underhill set. It is found on a desk in Underhill's Lab, which you'll get to explore when playing the New Growth Side Quest. It is a letter from Pope responding to a research request from Underhill. | |
| Underhill's HypothesisThe ParkUnderhill's Hypothesis | The Park | Underhill's Hypothesis is a collectible in the Dr. Raya Underhill Set. It is found on a table on the roof of the Southern Park Research Site building. It includes notes on Underhill's hypothesis regarding the Patterning and the Mold. | |
| Busken’s NoteThe ParkBusken’s Note | The Park | Busken’s Note is another collectible in Dr. Raya Underhill's Set. It is found on a desk inside the Park FBC Base. It is a note written by Busken, a Ranger working with Underhill. | |
| Underhill’s MemoThe ParkUnderhill’s Memo | The Park | Underhill’s Memo is a memo written by Underhill to her team and a collectible in the Dr. Raya Underhill Set. It is found on a table inside the Park FBC Base. |
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