Call of the Elder Gods – 100% Achievement Guide

Overview

Welcome to the Spire of Completion’s 100% achievement guide for Call of the Elder Gods, a Lovecraftian puzzle adventure game featuring 31 achievements / 32 trophies.

None of the achievements are missable, as chapters can be replayed once unlocked.

Roadmap

Step 1/1 (4 hours)

• Complete the game in any difficulty mode. You can request as many hints as you want.
• Find all journal entries and secret objects, and unlock all miscellaneous achievements.
• After completing the game, load your last autosave to reach both endings.

Journal entries, secret objects, and achievements are listed by chapter below.

Prologue | A Dream, a Phone Call and a Therapy Session

In the Christmas memory, play these keys on the piano:

Story-related.

Journal Entries

Journal Entry: Piano Note

In the Christmas memory, on the piano:

Journal Entries: 7x Piano Keys

Press all white keys on the piano:

Journal Entries: 7x Ball Ornaments

Reveal the number on each ball ornament hanging on the Christmas tree:

Chapter 1 | The Everhart Manor

Read the Hit Note in Everhart Manor and inspect the Switchblade in the back garden:

Pick up the Flowers from the shelf in the greenhouse and place them at the memorial in the back garden:

Story-related.

Journal Entries

Journal Entries: Non Possumus Canvas & Human Life-Cycle Postcard

In the library, near the windows:

Journal Entries: 2x Ripped Canvases

In the storage room under the stairs:

Journal Entries: Memorial Photo & Providere Debemus Canvas

In the dark room upstairs:

Journal Entry: Sed Futura Canvas

On the second floor of the library:

Journal Entry: Mausoleum Door

In the back garden, behind the greenhouse:

Journal Entry: Praeterita Mutare Canvas

In the mausoleum:

Chapter 2 | Of Colossal Caves and Ancient Relics

Play the Tape Recorder in the left corner of the large cave:

Fill the Statuette with black ooze and play the Fire Melody backwards, then examine the Frozen Statuette:

Story-related.

Journal Entries

Journal Entry: Mural #1

Behind the Professor at the excavation site:

Journal Entry: Mural #2

In a small cave to the right of the central control panel:

Journal Entry: Mural #3

On the other side of the lake:

Journal Entries: Mural #4 & Mural #5

In the refinery ruins beneath the lake:

Journal Entry: Mural #6

In the left stone tower on the top floor:

Journal Entry: Mural #7

In the right stone tower on the bottom floor:

Chapter 3 | A Guide to the Members of the Starry Wisdom Society

In the section with the memories and portals, turn around at the motor shop and follow the invisible street:

Story-related.

Press the two hidden buttons in Caleb Bowen’s office, then enter the area behind the curtain:

Story-related.

Journal Entries

Journal Entries: Egyptian Hieroglyphs & Elevator Note

In the inner sanctum with the statues and the elevator:

Journal Entries: Tetrahedron & 5x Offices

Solve the tetrahedron puzzle upstairs, then enter each office:

• Biologist’s office
• Psychiatrist’s office
• Dilettante’s office
• Archaeologist’s office
• Astronomer’s office

Journal Entries: 3x Notes & College Diploma

In the Biologist’s office:

Journal Entries: 3x Notes & Tape Recording

In the Psychiatrist’s office:

Journal Entries: 2x Notes, Photo & Calendar

In the Dilettante’s office:

Journal Entries: Book, Note & Camera

In the Archaeologist’s office:

Journal Entry: Chemicals

In the darkroom in the back of the Archaeologist’s office:

Journal Entry: Developed Photo

Find the Film Roll in the Psychiatrist’s office and develop it in the darkroom:

Journal Entries: 2x Notes & Book

In the Astronomer’s office:

Chapter 4 | ZNP-C

During the interrogation at the beginning of the chapter, select these dialog options:

• (sarcastic) You want me to tell you how to activate it?
• (sarcastic) It means “prick”.
• Yes. He might help you with your medical conditions.

Find the Cult Book in the shelter outside the bunker:

Inspect the Comic in Harry’s flashback:

Story-related.

Idle for 3 minutes in the flooded offices to run out of oxygen:

Story-related.

Journal Entries

Journal Entries: 2x Enigma Decoding Instructions

In Harry’s flashback:

Journal Entries: 3x Encrypted Messages & 3x Decrypted Messages

Find the 3 encrypted messages on the upper floor of the bunker, then decrypt them with the Enigma machine:

• UZW: II, III, I – 23, 13, 2 – GE, FM
• BDA: III, II, I – 19, 25, 6 – PW, CR
• SSW: I, III, II – 15, 25, 25 – ZI, HP

Journal Entries: January 1943 & February 1943

Inside two boxes on the upper floor of the bunker:

Journal Entries: 2x Notes & Worker’s Registry

On the lower floor of the bunker:

Journal Entry: Otto Adler’s ID

On the lower floor of the bunker, on the shelf by the stairs:

Chapter 5 | Prisoners of Ice

Story-related.

Find the Roman Imperial Sword in the library:

Power up the monitor in the office with the corkboard:

Story-related.

Story-related.

Journal Entries

Journal Entry: Note

On the trolley next to the large console:

Journal Entries: 7x Brain Waves

Enter the combinations A3, B1, B2, C2, C4, D3 & D4 in the machine upstairs:

Journal Entry: Dimetrodon & Ammonite Mural

In the outside area:

Journal Entries: 6x Notes & Mural

On the bottom floor of the library:

Journal Entries: Dimetrodon Mural & Tyrannosaurus Rex Mural

On the top floor of the library:

Journal Entry: Homo Sapiens Mural

Outside the Observatory:

Journal Entry: Constellation

Solve the puzzle in the Observatory:

Journal Entry: Mammoth Mural

In the room with the Central Map, behind the library:

Journal Entry: Star Constellation

Follow the light beam outside the room with the Central Map and look through the telescope:

Journal Entries: 2x Notes

In the office with the corkboard:

Journal Entries: 3x Notes

In the server room:

Chapter 6 | Pna-ko-tus

Story-related.

Open the Great Door and walk up the ramp to find a secret room, then pick up the hidden Cube from the ground. Press the buttons in ascending order of outer rings, starting with the bottom one:

Open the Great Door and walk down the ramp:

The game features two endings which depend solely on the decision during the confrontation with Bowen:

• Stop Evangeline and take her place.
• Let Evangeline sacrifice herself.

You can load the last autosave after completing the game to reach both endings:

Story-related. Unlocks after watching the credits.

Journal Entries

Journal Entry: Great Door Symbol

Next to the Great Door:

Journal Entry: Note

In the camp to the left of the Great Door:

Journal Entry: Note

In the camp opposite the Great Door:

Journal Entry: Waterfall Door Symbol

On the stone door under the waterfall:

Journal Entry: Stone Elevator Symbol

Behind the tower:

Journal Entries: 3x Moving Patterns

Solve the light puzzles:

Full Journal

Follow the chapter-specific sections above to unlock all non-story journal entries:

If you enjoy Lovecraftian games, check out my Call of the Sea – 100% Achievement Guide!