The huge environment of Talos 1 is home to tons of hidden rewards and experiences. Whether it’s special items in locked safes or rewarding side content. This Prey Optional Side Quests Guide will walk you through all of the optional side quest objectives we’ve discovered so far including information on starting the objectives, where to go, what to do and what you get in return.
The vast majority of the optional content in Prey is quite simple to complete. Although the initial discovery of a mission may be hidden away somewhere, the following elements of the side content can be completed following simple objective markers. Whenever you’re trying to complete an optional side quest make sure it is highlighted on the objectives menu of the pause screen so your next objective is displayed in your HUD.
Prey Optional Side Quests Guide – Talos 1 Lobby
Once inside the Trauma Center interact with the Security Station at the front desk to learn tat Sylvain Bellamy has been taken to Psychotronics. You can’t get to Psychotronics until later in the story. Once you’re able to enter progress through until you reach the morgue. Search all the bodies and you’ll receive Sylvain Bellamy’s Cabin keycard. From there, progress further into the game until you reach the Crew Quarters. Check the cabin there. That completes this mission.
Progress through the story until you reach the Arboretum. Whilst exploring you will get the optional quest, Lift Interference. Follow the objective marker for that quest and it will take you to the top of the lifts. There’s a Technopath enemy there. Search the room for DeVrie’s corpse and his keycard.
Head back to the Arboretum and go to Alex Yu’s Office to open the safe. Pick up Alex Yu’s Suite keycard. Proceed through the game until you reach the Crew Quarters. You’ll need to find the Grav Shift code to reach the Executive Suites. The Grav Shaft code can be found in the Crew Quarters area. It’s on the second floor, inside the same room with the Recycle machine. The code is 4983. Head up to Alex Yu’s room. On the bedside table is a large globe. Move that to discover a keycard underneath
You can now return to the Arboretum if you wish and use the escape pod. I couldn’t figure out how to get up there properly so I climbed onto the structures on the roof and then ran along the long metal beams to the shuttle. If you use the shuttle, a very interesting story segment happens but you die afterwards. Best to save before you attempt this.
When you arrive at the Terminal the Dr gets in touch and warns you about the data. Once you choose to do what you will with the data, the mission is over. Check out our guide on whether to delete the data or transfer the data for more information.
Your choice does influence the ending, but only in a small way.
Prey Optional Side Quests Guide – Hardware Labs
The Blackbox Project is available as a side mission within the Hardware Labs. After you complete Breach Access, head into the Beams & Waves Lab and interact with the terminal to find this optional mission. This one can be a massive pain. Josh Dalton is in the G.U.T.S. Go to a Security Station and check the Hardware Labs Staff for Josh Dalton, then head into the G.U.T.S. It’s relatively easy to get in a rough vicinity off him, about 25-30m. He’s actually behind some huge pipes so when you’re close but can’t reach him, go under the huge pipe nearby to reach him.
After that head to Hardware Labs to the Black Lab, enter and grab the file from the computer.
Prey Optional Side Quests Guide – Psychotronics
This side mission is available on the Psychotronics map. You find a trapped human inside the Material Extraction area. You can choose to either let him live in exchange for the code to the armory, or extract exotic materials from him. The choice is yours, but the code to the Armory is 8714.
When you arrive at Crew Quarters use the Security Terminal and listen to the Surveillance Reports. This will complete an objective. Then head to the end of Crew Quarters B to the habitation pods. You’ll find another Transcript here on a body. The next objective isn’t available until you reach the Cargo Bay area.
Once you reach the Cargo Bay B area proceed into the next room, the G.U.T.S Cargo area. The crate marked 3232 is inside. Pick up the thumb drive off the body and you complete this mission.
Prey Optional Side Quests Guide – Arboretum
The only way to complete this mission is to visit a Security Terminal. Search for Crew, check Cargo Bay and highlight Grant Lockwood. Then take an airlock outside and head towards the objective marker.
When you get to the Neuromod Division check the location above a body. Loot his keycard and then follow the objective marker to his office. Use his PC Utilities and Renew your license.
Head back out to space, track down the satellite and attach the device. You can now either summon or distract the Nightmare using Audio Logs option in the Data menu.
If you kill or incapacitate Dahl – your choice does influence the ending, but only in a small way.
Prey Optional Side Quests Guide – Crew Quarters
Return to your office to check your emails. Danielle Sho will send you an email with his location. Volunteer Quarters in Neuromod Division. Head to the Volunteer Quarters and interact with the Security Station. You need to locate V-010655-37. It will tell you he is on the bridge so take the main elevator up to Arboretum and follow the objective marker. Once on Talos 1 Bridge go down to the escape pods. Make sure you’re fully healed.
If you complete this chain of events, it does influence the ending in Prey.
Head back to the Arboretum and go to the location marked above. There’s a huge tree with some initials carved onto it. At the base of the tree near some rocks, there’s a keycard for Storage Room A2.
Prey Optional Side Quests Guide – Talos 1 Exterior
Prey Optional Side Quests Guide – Life Support
Return to Air Filtration control on Level 2 of Life Support. Enter the Atmosphere Control Room and the mission is complete.
Prey Optional Side Quests Guide – Power Plant
Proceed with the story and lift the lockdown then return to Mikhaila Ilyushin. Use the nearby airlock to go outside and check the objective marker for her medicine. Drop in, pick it up and return to her on the ship. After a while she will head up to your office, meet her there. Mission complete.
Whether you save her or not does influence the end of the game, only slightly.
Prey Optional Side Quests Guide – Talos Bridge 1
Prey Optional Side Quests Guide – Shuttle Bay
That’s it for our Prey Optional Side Quests Guide. We’re updating this with more optional objectives as we progress through the game. Be sure to check out our other guides, such as the list of all safe codes in Prey.
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