Callisto Protocol: Full Walkthrough

Note these videos were done with the original version of the game, so some things (such as enemy counts) may look a little different.

Callisto Protocol 01: Outbreak
(100% audio files)

This is a how-to video for the Outbreak chapter. This is not a story playthrough. Check below for specific encounter/loot timestamps. The video was somehow cut short, so it does miss showing where the Ferris audio file is. But it’s right in the room at the end where you talk to Ferris, on that middle table there.

7:25 How to dodge
19:30 Dr. Caitlyn Mahler – Mahler’s Appointment
23:15 Security Baton
25:25 Cell block fight against 4.
30:00 Elias Porter – Elias’s Anticipation
GOT CUT OFF – Captain Ferris – Ferris’ Lament – This is on the table in the room with Ferris.

Callisto Protocol 02: Aftermath
(100% audio files)

This is a how-to video for the Aftermath chapter.

3:12 First Reforge Machine
9:54 First vomit guy and loot box by the cells
15:10 Sgt. Eric Jane – Keycode only
18:05 Ofc. Pruitt Matos – Laundry
21:50 Duncan Cole – Secret Room
27:20 Dr. Ewan Hayes – MedLab Outbreak
28:05 GRP weapon and GRP fight
31:30 Health kit PSA
37:10 Ofc. Dachs Symmons – Hanged Guard
38:22 Plummeting elevator
40:43 Skunk Gun Blueprint (I MISSED GOING IN HERE. JUST USE THE LATER FUSE)
44:15 Ofc. Kerry Brown – Keycode only
44:50 Basement fight with 3+
49:48 Gondola to the SHU
21:25 Tadgh Song – Keycode only
1:01:00 Dani Nakamura – Keycode only
1:10:35 The Trap

Callisto Protocol 03: Habitat
(100% audio files)

This is a how-to video for the Habitat chapter.

11:25 Dr. Cailyn Mahler – Corruptors
12:30 Dual fuse room encounter
14:35 Ofc Bruno Vorenus – Crosswired and keycode
23:30 Wall of windows room encounter (10 enemies)
33:00 Dr. Jae Moon-Bell – Cocoons and keycode
39:40 Ofc. James Reese – Suicide Guard and keycode (this is needed to start the Water Control encounter)
40:40 Water Control room fight
47:05 Water slide
1:03:00 Oxygen Processing rooms
1:08:30 Sgt. Bill Pekelo – keycode
1:09:55 Ofc. James Reese – Security
1:13:20 Outside encounter between Oxygen Processing and Utility
1:16:45 Ofc Kyle Serra – Evacuation
1:18:20 OSHA nightmare encounter

Callisto Protocol 04: Lost
(100% audio files)

This is a how-to video for the Lost chapter.

7:08 Miranda Kristofich – Terraforming and keycode
13:50 4 legged courtyard fight
19:00 Richard Cids – Keycode only
21:40 Dr. Caitlyn Mahler – Combustors
30:35 Garage Airlock encounter
34:00 TK Riot Shotgun
34:40 Lt. Devon Wayne – Close the Gate and keycode
43:10 Ofc. Aaron Taycho – Keycode only
43:20 Turbine Room encounter
47:45 Yard full of frozen people and fakers
50:48 Max Barrow – Max’s Concern and keycode
53:25 Sgt. Scott Dvitny – Eradication and keycode
56:58 Dr. Caitlyn Mahler – Shipments

Callisto Protocol 05: Below
(100% audio files)

This is a how-to video for the Below chapter.

9:25 Dr. Sheehan Yune – Field Log 1, no key
12:44 Location of first Reforge Machine
14:35 First loot room
18:05 Tactical Pistol Blueprint
25:40 Dr. Sheehan Yune – Field Log 2, no key
28:04 Bulldozer Room
33:00 Keycard and the first visit to the platform
34:18 Access Junction door
34:35 Dr. Sheehan Yune – Field Log 3, no key
35:35 Access Junction narrow dirt aisles
46:05 Power Station
52:30 Secret Room
55:50 Yannick Sage – Secret Room 2, no key
57:00 Start the Power & Pull 3 breakers
1:07:06 Platform fight
1:15:43 Arden Jeddha – Arcas Evacuation and key

Callisto Protocol 06: Colony
(100% audio files)

This is a how-to video for the Colony chapter.

1:11 Alex Wang – Miner Log 1 and key
2:15 Derryn Barr – Miner Log 2, no key
4:40 Derryn Barr – Miner Log 3 and key
7:30 Assault Rifle Blueprint
8:36 Lowtown Keycard
12:10 Elevator to Hightown
13:30 Yannick Sage – The Mole
16:00 Buidhe Reddwork – Hightown and key
17:45 Hightown Fuse
21:15 Ji-Kwan Park – Miner Log 4, and key
21:30 Prepping for Two-Head mine fight
25:55 Two head in the mine (using explosive shotgun)

Callisto Protocol 07: Tower
(100% audio files)

This is a how-to video for the Tower chapter.

3:44 Server Room Two-Head fight.
Phase 1: 2 explosive shots (8 shells + 1 regular)
Phase 2: 7 explosive shots (28 shells)
Minimum of 37 shotgun shells

7:10 Dr. Tala Ismene – Observation and key
18:20 Dr. Tala Ismene – Taken
19:41 Surgery Theatre Two-Head fight preparation advice
Phase 1: 2 explosive shots (8 shells + 1 regular)
Phase 2: 7 explosive shots (28 shells)
Minimum of 37 shotgun shells plus extra for the minions. I think the canister is worth 4 shells.

27:00 Edward Bates – Experimentation and key
32:27 Duncan Cole – Cole’s Triumph
36:05 Final fight prep outside, prior to starting cutscene
42:45 Phase 1
44:30 Phase 2 explanations
46:33 Phase 2

Callisto Protocol: Final Ferris fight in high contrast Medium security

This video only includes the second phase of the final Ferris fight. I have a really hard time seeing the minions in this room on regular (I don’t know if it’s me, my tv, whatever), so I’ve found it much easier to do it on high contrast, even though it still takes me a ton of tries. And while i love the rest of the game, including phase 1 of this fight, I still think this part (phase 2) is way too chaotic for me. Jacob is too slow. There’s too many things splitting my focus. The minions stack, so if you don’t get rid of the first 4, the new wave will be added on top of them. That’s just too much for me. This is probably the most challenging boss fight I’ve every played and this is on medium security. So basically normal. But other than this one part, i did love the game and if they update to skippable cutscenes, I’ll definitely give permadeath a try. 🙂

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