The Outer Worlds: Murder on Eridanos

About

The Outer Worlds: Murder on Eridanos is the second narrative expansion to the critically acclaimed and award-winning sci-fi RPG from Obsidian Entertainment and Private Division. Venture to the skies of Eridanos and unravel the grandest murder mystery in the Halcyon colony!

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8
Based on
198 reviews
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Languages:
Developer:
Obsidian Entertainment
Publisher:
Private Division
Engine:
Unreal Engine 4
Release date:
17 March 2021
Genre:
Recent Steam reviews:
Not specified
All Steam reviews:
Very Positive (198)

Game features

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Description

The Outer Worlds: Murder on Eridanos is the second narrative expansion to the critically acclaimed and award-winning sci-fi RPG from Obsidian Entertainment and Private Division.

Venture to the skies of Eridanos and unravel the grandest murder mystery in the Halcyon colony! Everyone is a suspect in this peculiar whodunit after Rizzo’s hired spokesperson, the famous Halcyon Helen, winds up dead ahead of the release of the brand-new Spectrum Brown vodka. Alongside your companions, travel across the floating islands of Eridanos and piece together clues using the Discrepancy Amplifier, a new gadget that highlights otherwise unseen hints. There’s more to this mystery than meets the eye, and it’s up to you (and your crew, if you choose) to solve the case.

KEY FEATURES

Murder mystery

Suspicions abound, and it’s up to you to get to the bottom of the murder of Halcyon Helen, the most well-known celebrity in the colony. Use the new Discrepancy Amplifier, your key to solving the case, as it highlights temporal inconsistencies not otherwise seen with the naked eye.

A unique world

Travel among the floating islands of Eridanos, from the luxurious confines of the Grand Colonial Hotel to Rizzo’s colorful groves. But be careful about the smiling employees you encounter, as there’s something dark lingering under the bright and cheerful surface.

New weapons and character customization

Three new science weapons can be added to the player’s arsenal alongside weapon and armor variants to use while solving the case. And increase your level cap by three and employ new perks and flaws to create your most unique character yet.



The Outer Worlds: Murder on Eridanos is the second and final story expansion that can be purchased individually or bundled at a discount in The Outer Worlds Expansion Pass.

A copy of The Outer Worlds on the same platform is required to play expansion(s).

Recommended system requirements

minimum*

Requirement 1:
Requires a 64-bit processor and operating system
OS *:
Windows 7 (SP1) 64bit
Processor:
Intel Core i3-3225 or AMD Phenom II X6 1100T
Memory:
4 GB RAM
Graphics:
Nvidia GTX 650 Ti or AMD HD 7850
Storage:
40 GB available space

recommended*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows 10 64bit
Processor:
Intel Core i7-7700K or Ryzen 5 1600
Memory:
8 GB RAM
Graphics:
GeForce GTX 1060 6GB or Radeon RX 470
Storage:
40 GB available space

User reviews

Wanderer
Not recommended | 22 Feb 2025

The Outer Worlds: Murder on Eridanos Rating: 5/10 – Mediocre Murder on Eridanos is a bit of a disappointment. The premise is Good , the new location looks Great and a lot of the dialogue was also pretty Good . The

Helpful: 8
Captain Apples
Recommended | 25 Dec 2024

TLDR: Forced but enjoyable story met with beautiful visuals, whacky side missions/characters, and a wealth of content make Murder of Eridanos a great DLC; but not worthy of $15. Pros: - GORGEOUS level design. One of the

Helpful: 5
MrH
Not recommended | 28 Apr 2025

I found it very boring, it's 80% dialog and 20% combat. It really felt like it dragged and I was ready for it to be over by the end. The previous DLC was much better IMO.

Helpful: 4
CascadeHush
Recommended | 11 Feb 2025

It is such a shame that this is not sold as a stand-alone game. In 2025 I simply cannot recommend anybody work through the slop of the base game to get to this. It's worth noting that Carrie Patel, director of the of

Helpful: 4
ChaoticDerpy
Recommended | 11 Jan 2025

The DLC revolves around a murder mystery theme, with a greater emphasis on story and dialogue and less on combat. It's alright overall, but not worth full price - get it on sale or via the season pass.

Helpful: 5
VahidSlayerOfAll
Not recommended | 29 May 2026

fun game buttttt they removed this and all the DLC form the steam store so now your forced to buy The Outer Worlds: Spacer's Choice Edition missing only 1 dlc? to bad buy the full game again if you want to cause thats

Helpful: 3