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Starless Abyss

Starless Abyss

Earth has fallen. Science and the Occult have united forces to brace for the arrival of the Eldritch. But will the efforts against this strange, alien race be enough? Play as one of many Proximae used to help defend humanity in this turn-based, roguelike, intergalactic deck builder.

Released Apr 25, 2025 Developer Konafa Games Publisher No More Robots Platforms Windows StrategyIndieLovecraftianRoguelike DeckbuilderTurn-Based Combat
View on Steam ↗ $7.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-04 · quoted reviews as of 2026-05-15.

85.6%positive341 reviews
Recommended · 4 found this helpful

“Stylish af roguelite deckbuilder where you also control a fleet of ships on a hex-grid. Super fun with some caveats. Pros: great presentation, the art is awesome, the music is very good, it's just all really juicy. General gameplay is fun, thinking is required, but it's not a…”

— a player, Steam review · 12 hrs played
Recommended · 1 found this helpful

“Roguelite deckbuilders aren't really my thing, but I went ahead and picked up Starless Abyss on a whim (because... spaaaace!) Cool setting, cool graphics, lots of depth. It took me about 3 hours to finish my first run (about 45-60 minutes per "act," with 3 acts total... am I…”

— a player, Steam review · 4 hrs played
Recommended · 1 found this helpful

“I love it. It's a card battler just like Slay the Spire but with much more strategic depth. Now, it doesn't have extra modes or extended runs, no endless mode and superficial permanent progression. If it had something more like Against the Storm with long term goals and…”

— a player, Steam review · 66 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 via SteamCharts.

108all-time peak
0 25 50 2026 38 avg · May 2025

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

44achievements
8.2%median completion
0.5%rarest: Ratatatata
56.8% of players 49.0% of players 39.8% of players 39.0% of players 34.8% of players 33.8% of players 30.2% of players 30.0% of players 29.8% of players 29.7% of players 28.6% of players 20.1% of players 19.9% of players 19.2% of players 19.0% of players 15.5% of players 12.7% of players 9.9% of players 9.7% of players 9.0% of players 9.0% of players 8.8% of players 8.2% of players 8.1% of players 7.1% of players 4.6% of players 4.5% of players 4.1% of players 4.1% of players 4.1% of players 4.0% of players 3.7% of players 2.9% of players 2.3% of players 2.2% of players 2.1% of players 2.0% of players 1.4% of players 1.4% of players 1.4% of players 1.2% of players 1.1% of players 1.0% of players 0.5% of players 56.8% 0% most earned rarest
Almost everyone has
56.8%Silo Decanted — Unlock Silo.
49.0%Close Call — Win with a ship in stasis.
39.8%Turret Array — Deploy 50 turrets in a run.
Rarest badges of honor
0.5%Ratatatata — Fire 20 shots with Gatling Gun in a single card play.
1.0%Caster — Play 40 Rituals.
1.1%Safety Hazard — Cover 70% of the field with radioactive within a single combat.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-12. Steam prices vary by region — always confirm your local price on Steam.

$7.99−60% right nowcurrent · sampled 2026-09-26 21:12 UTC
$19.99base price
$7.99lowest since tracking began2026-09-25
US7.99 USD−60%
EU7.19 EUR−60%
UK6.39 GBP−60%
Australia11.80 AUD−60%
Canada10.39 CAD−60%
Japan800 JPY−60%
Brazil23.99 BRL−60%
China21.60 CNY−60%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$3.2 Brazil Japan Canada US EU Australia UK≈$8.5

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

$0 $25 $50 08-12 08-21 08-30 09-08 09-17 09-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Feb 18, 2026
Starless Abyss is out now on Switch!

Hi everyone! The day is here - Starless Abyss is OUT NOW on Nintendo Switch! 30% OFF on the Nintendo eShop , and grab the game for 45% OFF on Steam too! We can't wait for you to finally get playing! L

Feb 10, 2026
Starless Abyss is heading to Nintendo Switch!

Hi everyone! We have some great news - Starless Abyss is heading to Nintendo Switch! That's right, now you can fight the counter horror wherever you go! You can pre-order the game on the Nintendo stor

Oct 07, 2025
Updates

Hey folks, We are patching the game to address the Unity issue that was recently discovered which involved re-compiling the game with the latest Unity Editor. For more info you can check the unity rep

Sep 03, 2025
A MONSTER update!

ALSO, we're running our deepest discount yet at 30% off! If you haven't yet made the jump into the vast reaches of space, now is a GREAT time! We’ve got a lot to get through, so let’s start at the exc

Jul 18, 2025
🎶 Starless Abyss Soundtrack Now Available – Descend into the Cosmic Unknown! 🚀

🎶 Starless Abyss Soundtrack Now Available – Descend into the Cosmic Unknown! 🚀🧠 Brave explorers of the Void and Proximae of all forms, We’re thrilled to announce that the Official Soundtrack for Starl

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-15.

GenresIndie, Strategy
Player tagsStrategy · Indie · Lovecraftian · Roguelike Deckbuilder · Turn-Based Combat · 2D · Turn-Based Strategy · Singleplayer · Card Game · Space · Spaceships · Futuristic (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing
LanguagesEnglish * , French, Italian, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Korean, Traditional Chinese *
ControllerFull support
Achievements44
Official sitehttps://starlessabyssgame.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 or later Processor: 2 GHz Memory: 2 GB RAM Graphics: NVIDIA GeForce GTX 550/equivalent or higher