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80% positive of 305 · Very Positive · Live from Steam
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Gather your allies. Eliminate Angels. Transform into a Magical Girl. Slay god. Kernel Hearts is a Multiplayer Co-Op Roguelike Action RPG about four magical girls and their attempt to save a world that's drowning in ashes
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Review score: 80% on 2026-11-01 → 80% today (305 reviews)
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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.
The Potato Update - v1.0.16 The new update brings a bunch of performance optimizations and the long-awaited POTATO MODE. Now the game can run on laptops older than some of our players. We've also added graphics presets, automatic Steam Deck detection, and a ha…
Hey everyone! Akira, Kernel Hearts director here. It's been almost a month since the game came out, and today we're happy to release our first content patch! We dug into your feedback to identify some of the most requested features and improvements. We still h…
Patch Notes v1.0.14 - Players who die while falling in Skybound Citadel will now be teleported to the nearest catapult. - Reworked the Death Defiance flow to improve stability for clients experiencing network issues. - Improved the logic for Damocles to increa…
Kernel Hearts HotFix Patch 1.0.13 Today's patchlist is mainly bugfixes, including achievements that weren't unlocking and the invisible Mahou bar. Fixed an issue where some sounds could persist between levels and continue playing indefinitely. Fixed a camera i…
October Roadmap & Hotfix v1.0.11 Hello everyone! Thank you all for your support so far! We’ve been gathering your feedback and requests, and we’re excited to share what we’ll be working on throughout October. October Roadmap Improved Tutorial Expanded Keybindi…
Hey everyone, Akira here, Game Director of Kernel Hearts. Today, I'm very happy to announce that Kernel Hearts will be launching one month from now, on September 17th! To celebrate, we decided to update the Demo one last time before release. Japanese Voice Act…
Kernel Hearts is Out Now! Hello, everyone! Akira, Game Director of Kernel Hearts, here. I’m incredibly happy to announce that Kernel Hearts is finally out, with crossplay between all PC versions! Thank you for all your feedback and support since we first annou…
Kernel Hearts is launching in September 2026! Hello everyone! Akira, Game Director here. I wanted to thank everyone who played the demo. This is the first game we’ve ever made, and seeing so many positive comments and so much helpful feedback has been amazing!…
Hello everyone! Akira, Game Director here. I'm happy to announce that our very first public demo is now available on Steam, featuring 4 player multiplayer co-op. This is our very first game and we've been working on it for the past four years. It would mean a …
🔥 Third Closed Playtest Starts Tomorrow! 🔥 Hello KernelHeads! Tomorrow we’ll be starting our third closed playtest, and we’re excited to finally put a ton of new changes into your hands. If you’d like to participate, you can sign up directly from the Steam s…
PLAYTEST TOMORROW 🔥 We'll be kicking off our Second playtest, featuring: The first glimpse into our story progression. Multiple Difficulties Permanent Upgrades and Unlockables. Brand new UI Tofu 🐺
We survived 🩹 When we first announced the playtest, we said to ourselves that we would be happy if 200 people showed up... But now more than 2,500 people have had the chance to try out our game! Thank you, everyone, for your dedicated love and feedback. We ha…
Hey everyone, Akira here. I'm the Director of Kernel Hearts and I would love to invite all of you to participate of our very first playtest of the game! We'll be testing all the multiplayer features alongside two playable characters and a small loop of some ga…