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90% positive of 1,904 · Very Positive · Live from Steam
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A 2-Player Networked Horror Co-Op game. Explore the deepest recesses of your mind to put yourself back together. Work together to defend yourself from its denizens.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 90% on 2026-11-01 → 90% today (1,904 reviews)
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No authorized Steam key store lists this game right now.
Works, but may need extra effort. Results from Valve's own testing.
1 item on Steam, newest first.

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Eronoctosis: Solastalgia DOUBLES free content & the expansion! Free Update for all! I'm a stranger in my own life The nostalgia burns behind my eyes I have to go backNew mechanics New nightmares All stages re-imagined. Doubles core-game content Doubles Devotio…
I'm a stranger in my own life The nostalgia burns behind my eyes I have to go back Eronoctosis: Solastalgia I've put myself together. I've emerged with another. But, the ground shifts beneath my feet and darkness floods in. The nightmare returns. New mechanics…
Hello, ero-delvers! As part of this year's Steam Scream Fest, we are discounting the Devotion DLC! It'll be 50% off for the next few weeks, so you and a special friend can get your shivers on for a half-spooky total of $3.50. But that's just the tip. As part o…
Thank you everyone for the amazing launch week. All of your positive reviews and spooky streams have been a blast to consume. We have a small patch for you all that fixes a few small bugs that we've seen in the community. This should help with everyone having …
Eronoctosis: Devote Yourself to Another now $4.99! PLUS you can now play with MUTATORS! Play a faster game. Or Slower. Or with MORE monsters! Oh, and did we mention they stack? Want a hyper fast game? How about WAY TOO MANY monsters? Keep stacking them! Have f…
Hi All! Today, we are excited to welcome you to the next chapter of Eronoctosis. Devote Yourself Together is now available on Steam! This DLC expansion adds a completely new color palette, three new chapters, and new, devious demons to haunt your dreams. As yo…
Thank you all for your support of Eronoctosis and your warm response to the announcement of Devote Yourself To Another. The store-page is now online, check it out! https://store.steampowered.com/app/1867600/Eronoctosis_Devote_Yourself_To_Another/ Devote Yourse…
3 New Chapters 6 New Enemies Streamer SFW Mode New Achievements Leaderboards Coming 6/23 for $6.99 Only one player has to own Devotion to play the new content together! CoopHorror.c...
A new nightmare is coming. Updates @Dream_Toaster and our Steam page.
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Eronoctosis was one of tons of excellent-looking horror games in today's EEK3 indie horror showcase. It happened to stand out though because I'm a real sucker for a high contrast lo-fi colour scheme. Also I'm a sucker for co-op, especially with horror. Eronoct…