Starless Abyss — Steam capsule
Steam capsule · 460×2152.14 : 1

Starless Abyss Free Download

by No More Robots

Windows · Apr 24, 2025

Download Now Data checked on Steam: Oct 20, 2026
Fit check

Is Starless Abyss worth it for you?

We tell you who should skip it, too.

Play it if you…

Good fit
  • Strategy players who want turn-based combat and deck building
  • Fans of roguelike games who enjoy repeated attempts
  • Science-fiction players interested in alien threats and occult themes

Skip it if you…

Saves you a refund
  • Players looking for real-time combat rather than turn-based encounters
  • Players who prefer a fixed campaign instead of roguelike repeated runs
  • Players seeking a traditional fantasy setting rather than science fiction with occult elements

Drafted from Steam store data with AI and reviewed by an editor · How we write fit checks · Report an error

Our take on Starless Abyss

The premise gives equal weight to science and occult forces, but the store text provides little sense of how those elements affect play. It identifies the game as a deck builder and roguelike without explaining the deck-building choices, run structure, or differences between Proximae.

What is Starless Abyss?

Starless Abyss is a turn-based, roguelike deck-building game set after Earth has fallen.

Players take the role of one of several Proximae, units used in humanity’s defense against the Eldritch, an alien race. The setting combines scientific and occult forces as humanity prepares for the invasion. Battles use turn-based play and deck-building mechanics, while the roguelike structure frames each attempt as part of the wider struggle for survival.

How Starless Abyss plays

01Turn-Based Battles
Combat unfolds through alternating turns rather than real-time actions.
02Roguelike Structure
Each run is part of a repeated campaign against the Eldritch threat.
03Intergalactic Setting
The conflict extends beyond Earth into a science-fiction setting involving the Eldritch.
04Multiple Proximae
The player can choose between several Proximae used in humanity’s defense.

Starless Abyss compared to similar games

Shogun Showdown also combines turn-based combat, deck building, and roguelike progression, while Starless Abyss places those systems in an intergalactic conflict involving Proximae and the Eldritch. Unlike Starless Abyss, Shogun Showdown emphasizes positioning, attack tiles, combos, and battles against the Shogun.

Starless Abyss: platforms & release

Is Starless Abyss worth it?

It is worth it if: strategy players who want turn-based combat and deck building. Skip it if: players looking for real-time combat rather than turn-based encounters.

Where can I download Starless Abyss?

Use the Download Now button on this page: it opens Starless Abyss's store page, where you can choose how to get it.

What platforms is Starless Abyss on?

Windows only.

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Starless AbyssWindowsDownload Now
Starless AbyssWindows
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