Cthulhu: The Cosmic Abyss is an adventure game where you have to descend to the depths of the ocean to find the answers hidden behind a mysterious ancient city. You’ll also have to solve many puzzles and look for even the tiniest of clues to get more information about what exactly is going on here.
For more information on the game, please visit its official Steam page here.
Table of contents
Chapter 1: The Awakening
After a flood, you’ll have to go to Mei’s house to look for her. However, when you get there, you’ll find out that Mei was involved in something strange and has been missing for a while. You’ll have to gather clues, find the two stones, and open a portal to another dimension as you set the stage for what’s to come. Read more
Chapter 2: The Excavation
Descend to the depths of the ocean to head to the PIT station. Here, you’ll find out that the researchers had discovered a city under the water, and to get there, you’ll have to get through a maze. Find all the answers you need to pass through the maze, and you’ll also have to repair the station as well to complete your investigation. Read more
Chapter 3: The Temple
Explore the temple to find a way to reach Andrew Marsh. Here, you’ll either have to complete the dark ritual or activate a series of mechanisms to deal with the guardian of the portal. Once the guardian has been dealt with, you can head to the portal to chase Andrew Marsh and hopefully find Elsa in the process. Read more
Chapter 4: The Other World
Chapter 4 takes you to the other world, where you’ll find Elsa’s trail and some more recordings from Andrew Marsh. You’ll become more acquainted with the Yith as you make your progress towards escaping this strange dimension. Read more
Chapter 5: The Citadel
Arrive in the Citadel, where you’ll find the famed Star of Shamash. However, it is being guarded by a gigantic guardian. This guardian has invisible tentacles, and you’ll have to find a way to see them. Furthermore, you’ll have the choice to neutralize or kill the guardian to obtain the Star of Shamash. Read more
Chapter 6: The Last Door
Use the Star of Shamash to explore the chambers around the Last Door to discover the history of Yith. You’ll also have to engrave the Star of Shamash and use it to open the path to Cthulhu’s heart, where the Warden grows weak every second. Read more
Chapter 7: The Heart – All Endings
In Chapter 7, Noah will have to make a choice. The Warden lies there, decaying. Now, someone must replace the Warden, and that choice will affect if Cthulhu will awaken or remain sealed for eons to come. Read more
This concludes the walkthrough hub for Cthulhu: The Cosmic Abyss.
If you’re looking for more walkthroughs, please check out the following pages:
- Into Indie Games Homepage
- The Occultist – Complete Walkthrough Hub
- Aether & Iron Walkthrough Hub
- Crown Of Greed – Walkthrough Hub
- Project Songbird Complete Walkthrough
Fahad Suleman is an avid fan of fighting games who spends most of his time writing walkthroughs and reviews for cozy indie titles or mashing around in Tekken. If he’s not writing or playing any games, you’ll often find him watching historical videos on YouTube for hours.
