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Eresys

Eresys

Eresys is a co-op horror game inspired from the works of H.P. Lovecraft. Teamwork is a key as players take on the roles of four cultists and face the terrifying entities together. Dynamic AI mechanics and unique enemies, Eresys promises to deliver a thrilling and spine-chilling gaming experience.

Released Dec 18, 2023 Developer Ares Dragonis Publisher Dragonis Games Platforms Windows ActionHorrorOnline Co-OpLovecraftianMultiplayer
View on Steam ↗ $8.99 (US · as of 2026-09-25)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-13.

63.9%positive471 reviews
Not recommended · 3 found this helpful

“I desperately want to see more updates for this game, because it really does seem like there'd be a lot of potential- and the time I spent with it was pretty fun. The stealth elements aren't bad- and in the expansive island map, there's a decent amount to do, even if it was a…”

— a player, Steam review · 3 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-19.

20achievements
8.0%median completion
0.7%rarest: Forsaken relics
71.5% of players 28.3% of players 21.4% of players 21.0% of players 19.1% of players 16.3% of players 12.8% of players 10.2% of players 10.1% of players 9.8% of players 8.0% of players 7.3% of players 4.7% of players 3.0% of players 2.6% of players 1.6% of players 0.8% of players 0.7% of players 0.7% of players 0.7% of players 71.5% 0% most earned rarest
Almost everyone has
71.5%In Death — Get killed by the otherwordly
28.3%Terrors of the deep — Succumb to the creatures of the sea
21.4%Broken curse — Cleanse the shrine of Innsmouth
Rarest badges of honor
0.7%Forsaken relics — Retrieve all lost artifacts from the abyssal temple
0.7%Devastation — Summon the old one on a mad man mission
0.7%Equanimity — Banish the ancient one on a mad man mission

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.

$8.99current · sampled 2026-09-25 21:36 UTC
$3.59lowest since tracking began2026-08-31
US8.99 USD
EU8.79 EUR
UK7.49 GBP
Australia13.19 AUD
Canada11.79 CAD
Japan1,000 JPY
Brazil29.99 BRL
China36.00 CNY

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

China≈$5.4 Brazil Japan Canada US Australia UK EU≈$10

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

$0 $5 $10 08-12 08-21 08-30 09-08 09-16 09-25

Latest official news

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

May 13, 2024
Necrophosis Demo Available

Discover the macabre world of Lovecraftian horror in our latest project, Necrophosis. The demo is now available for free download. While we paused development on Eresys to focus on Necrophosis, rest a

Apr 04, 2024
0.8.2 TEXTURE WORK OPTIMIZATION

0.8.2 TEXTURE WORK OPTIMIZATION AND GAME SIZE REDUCTION In this small update, we've implemented a variety of texture adjustments and optimizations. Hopefully to enhance the gameplay experience, partic

Jan 28, 2024
0.8.1 FSR AND FIXES

0.8.1 AMD FSR AND FIXES In this small patch, we added AMD FidelityFX Super Resolution (FSR) to potentially enhance performance on lower-end systems, along with a few minor fixes and tweaks ADDED FSR 2

Dec 18, 2023
0.8 ERESYS FULL RELEASE

0.8 ERESYS FULL RELEASE In this new patch we have added a new playable map, the cursed fishing village Innsmouth! With this third map we would like to mark the full release of the game, as it is the l

Nov 12, 2023
0.7.1 ABYSSAL TEMPLE FIXES AND TWEAKS

0.7.1 ABYSSAL TEMPLE FIXES AND TWEAKS During the past days we released various quick patches with minor fixes and tweaks, we also added the Hungarian localization and a new setting in the video config

Games like Eresys

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

In Silence In Silence 72.2% · 6,084 reviews shares Stealth, Online Co Op, Gore, Co Op Penumbra: Black Plague Gold Edition Penumbra: Black Plague Gold Edition 93.5% · 1,614 reviews shares Lovecraftian, Stealth, Gore, Dark DEVOUR DEVOUR 90.1% · 27,061 reviews shares Stealth, Online Co Op, Gore, Co Op Emissary Zero Emissary Zero 87.6% · 1,344 reviews shares Stealth, Online Co Op, Co Op, Dark The Other Side The Other Side 92.5% · 755 reviews shares Online Co Op, FPS, Co Op, Dark Occult Occult 71.5% · 561 reviews shares Online Co Op, Co Op, Dark, Psychological Horror Call of Cthulhu® Call of Cthulhu® 76.5% · 6,210 reviews shares Lovecraftian, Stealth, Gore, FPS Amnesia: The Dark Descent Amnesia: The Dark Descent 95.1% · 20,802 reviews shares Lovecraftian, Stealth, Gore, Dark

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-13.

GenresAction, Adventure
Player tagsAction · Horror · Online Co-Op · Lovecraftian · Multiplayer · Adventure · Survival · Co-op · Mystery · Puzzle · Stealth · Singleplayer (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Online Co-op · LAN Co-op · Steam Achievements · Partial Controller Support · Steam Cloud
LanguagesEnglish * , Spanish - Spain, German, Simplified Chinese, French, Japanese, Italian, Greek, Korean, Portuguese - Brazil, Hungarian *
Achievements20
Minimum system requirements (PC)

Minimum: OS *: 64-bit Windows 7 Processor: intel core i5 4400 / AMD Ryzen 5 1600 Memory: 8 GB RAM Graphics: Nvidia GTX 1060 3GB Storage: 15 GB available space