Dead Space 3 Optional Missions Walkthrough

28 February 2013
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Dead Space 3 Optional Missions Walkthrough

So you wanted a real challenge huh? Our Dead Space 3 Optional Missions walkthrough will guide you through the 7 Optional Co-op Missions with strategy tips for this survival-horror shooter game on the Xbox 360, PS3 & PC.

Finding all 7 Optional Mission locations and using them will help unlock the following Achievements / Trophies:
• “The Explorer” (25 Gamerscore / Bronze Trophy) — Complete all optional missions.
• “Ghosts of the Past” (25 Gamerscore / Silver Trophy) — Face all of Carver’s demons by completing all Co-Op only optional missions.

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  • Rewards for finishing the Optional Missions:
    • MK-II Overclocked Frame Set.
    • Hostile Environment Suit

    Please note that viewers must be at least 18 to watch, so no harm comes to those with innocent eyes. This game includes Blood and Gore, Intense Violence, Strong Language.

    Table of Contents

    Index of Dead Space 3 Guides:

    Dead Space 3 Optional Missions Walkthrough

    Optional Mission 1: C.M.S. Greely

    Location: In Chapter 4: “History’s Ember” in the Roanoke Command Saucer at the Admiral’s Quarters – Optional Mission: C.M.S. Greely.

    Description: After discovering Ellie and her companions alive, Isaac and Carver embark on a new quest: to decrypt the mad ramblings of Admiral Graves, who Ellie suspects stumbled upon the secret to destroying the Markers once and for all.

    Optional Mission 2: Conning Tower

    Location: In Chapter 5: “Expect Delays” in the Terra Nova Airlock at the Terra Nova Crew Deck – Optional Mission: Conning Tower.

    Description: Whether they return to Earth, or explore the frozen wasteland of Tau Volantis, Isaac’s team can’t go anywhere until they recover a shuttle. Buckell’s research into the S.C.A.F. manifests shows that there is a shuttle in the Aft Station of the Terra Nova.

    Optional Mission 3: Supply Depot

    Location: In Chapter 9: “Onward” at the Waystation – Optional Mission: Supply Depot.

    Description: Isaac discovers a dying Buckell. With that little breath he has left, Buckell explains that most of the crew survived the crash, and ventured on to a facility beyond the ridge. But Isaac will need to fix or change his gear to make the journey himself.

    Optional Mission 4: Armory

    Location: In Chapter 11: “The Lost Signal” at the Dissection Hangar – Optional Mission: Armory.

    Description: The signal-tracking experiment must be conducted via probing the neural pathways of a creature dubbed the Nexus. By recreating S.C.A.F.’s research, Isaac and Carver may be able to locate their ultimate goal: the Machine that controls all the Necromorphs.

    Optional Mission 5: Reaper Barracks

    Location: In Chapter 14: “Everything Has Its Place” in the Research Compound – Optional Mission: Reaper Barracks.

    Description: In order to operate and interact with the Machine, Isaac must first assemble a Codex – a translation device. Before her death, Santos theorized that the Codex could be assembled by following the instructions of somebody named Rosetta…

    Dead Space 3 Optional Missions Walkthrough continues on Page 2 with Co-op Mission 6.


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  • About the author

    Ferry Groenendijk

    By Ferry Groenendijk: He is the founder and editor of Video Games Blogger. He loved gaming from the moment he got a Nintendo with Super Mario Bros. on his 8th birthday. Learn more about him here and connect with him on Twitter, Facebook and at Google+.

    • unit187

      i cant unlock the last optional mission in ch 17. the only way i was able to complete it was by going back after i beat the game. but i still cant unlock the audio log to 100% all the audio logs 🙁 PLEASE HELP!!!

    • Mtoomb

      Did you figure out how to make it work? I’m on chapter 17 from chapter select and can’t open the elevator to get down. Need those last 2 collectibles!

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