Kernel Hearts
By Ephemera Games · published by Whitethorn Games
Steam data
Everything Steam lists for Kernel Hearts · record updated 21 hours ago
Overview
App info
- App type
- Game
- Developer
- Ephemera Games
- Publisher
- Whitethorn Games
- Steam profile
- Counts toward game count and achievement totals · checked 1 day ago
- Franchise
- Whitethorn Games
- Website
- kernelhearts.com
Platforms
- Steam Deck
- Playable
- Controller
- Partial support
Features
12Related apps
Prices
New ZealandNZ$NZD
Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.
Americas 10
United States$USD
$19.99
Lowest $19.99 · Oct 2026
CanadaCA$CAD
C$ 23.99
Lowest C$ 23.99 · Oct 2026
BrazilR$BRL
R$67,99
Lowest R$67,99 · Oct 2026
MexicoMex$MXN
Mex$ 259.99
Lowest Mex$ 259.99 · Oct 2026
Latin America (USD)$USD
$10.99
Lowest $10.99 · Oct 2026
ChileCLP$CLP
CLP$11.999
Lowest CLP$11.999 · Oct 2026
ColombiaCOL$COP
COL$ 48.999,00
Lowest COL$ 48.999,00 · Oct 2026
PeruS/.PEN
S/. 48.49
Lowest S/. 48.49 · Oct 2026
Uruguay$UUYU
$U667,00
Lowest $U667,00 · Oct 2026
Costa Rica₡CRC
₡9.600,00
Lowest ₡9.600,00 · Oct 2026
Europe 5
CIS 4
Asia-Pacific 15
Japan¥JPY
¥2,600
Lowest ¥2,600 · Oct 2026
South Korea₩KRW
₩ 21,000
Lowest ₩ 21,000 · Oct 2026
China¥CNY
¥77.00
Lowest ¥77.00 · Oct 2026
Hong KongHK$HKD
HK$ 115.00
Lowest HK$ 115.00 · Oct 2026
TaiwanNT$TWD
NT$ 377.00
Lowest NT$ 377.00 · Oct 2026
SingaporeS$SGD
S$20.75
Lowest S$20.75 · Oct 2026
MalaysiaRMMYR
RM46.99
Lowest RM46.99 · Oct 2026
IndonesiaRpIDR
Rp 174 999
Lowest Rp 174 999 · Oct 2026
Thailand฿THB
฿369.00
Lowest ฿369.00 · Oct 2026
Philippines₱PHP
₱599.00
Lowest ₱599.00 · Oct 2026
Vietnam₫VND
274.000₫
Lowest 274.000₫ · Oct 2026
India₹INR
₹915.00
Lowest ₹915.00 · Oct 2026
South Asia (USD)$USD
$10.99
Lowest $10.99 · Oct 2026
AustraliaA$AUD
A$ 28.50
Lowest A$ 28.50 · Oct 2026
New ZealandNZ$NZD
NZ$ 30.99
Lowest NZ$ 30.99 · Oct 2026
Middle East & Africa 7
Israel₪ILS
₪71.99
Lowest ₪71.99 · Oct 2026
Saudi ArabiaSRSAR
46.49 SR
Lowest 46.49 SR · Oct 2026
United Arab EmiratesAED
59.99 AED
Lowest 59.99 AED · Oct 2026
KuwaitKDKWD
3.80 KD
Lowest 3.80 KD · Oct 2026
QatarQRQAR
49.99 QR
Lowest 49.99 QR · Oct 2026
South AfricaRZAR
R 153.36
Lowest R 153.36 · Oct 2026
Patches
Patch notes
5-
Oct 16, 2026 Kernel Hearts - October Update - 1.0.15v
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 imp…
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Sep 25, 2026 Hotfix - Patch Notes v1.0.14
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 f…
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Sep 24, 2026 Kernel Hearts HotFix Patch 1.0.13
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 indefinit…
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Sep 21, 2026 October Roadmap + Hotfix v1.0.11
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 Tutor…
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Aug 17, 2026 Kernel Hearts Release Date + Demo Update
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 releas…
Builds
1| Build | Branch | Updated |
|---|---|---|
| 25999517 | public | Oct 16, 2026 |
Depots
Depots
4| ID | Name | Systems | Size | Download | Manifest |
|---|---|---|---|---|---|
| 228989 | — shared from 228980 | Windows | — | — | — |
| 228990 | — shared from 228980 | Windows | — | — | — |
| 229007 | — shared from 228980 | Windows | — | — | — |
| 2902171 | — | All | 16.08 GB | 14.30 GB | 4537037659339748910 |
Branches
1| Branch | Build | Updated | Access |
|---|---|---|---|
| public | 25999517 | Oct 16, 2026 | Open |
Configuration
Install foldersteamapps/common/Kernel Hearts
Launch options
2| Executable | Arguments | Systems | Description |
|---|---|---|---|
| KernelHearts.exe | All | ||
| KernelHearts.exe | -dx11 | All | DirectX11 (Use only if the game crashes) |
Cloud saves
| Root | Path | Pattern | Systems |
|---|---|---|---|
| WinAppDataLocal | MahouPrototype/Saved/SaveGames | *.sav | All |
Achievements
Global unlock rate
share of players who have it-
Oid Mortales
Hidden achievement
-
What about my star?
Slay your first Shooting Star
-
Welcome to Camelot
Visit Camelot for the first time
-
Be Afraid
Get killed by the Sky Angel
-
Not this guy again
Visit the Pink Wink Cupid for the first time
-
What does this do?
Unlock a Stronghold for the first time
-
The Sword of the East
Unlock Unit Spika
-
Fly me to the Moon
Reach the Skybound Citadel
-
Is he gone now?
Survive 30 seconds with the Sin Meter at 100%
-
Hunting for your Dream
Slay 1,000 Angels
-
One more god Rejected
Defeat Seraph for the first time
-
The power of the Moon
Obtain the Heavenly Curse Chip
-
Dziękuję, kochanie
Rescue Mikolaj
-
The Crimson Demon
Unlock Unit Laika
-
Knocking on Heavens Door
Reach Juddecca
-
Amazing Chest Ahead
Open 1,000 chests
-
the static speaks my name
Rescue TV-Head
-
A Giant Woman
Visit Vulcan’s Forge for the first time
All 44 achievements
-
The Deadly Performer
Unlock Unit Dolce
-
Die for me...<3
Defeat Lucifer for the first time
-
Plantasia
Visit the Garden of Eden for the first time
-
Kernel Night
Unlock every playable character.
-
Welcome to Sinner
Die in Sinner for the first time
-
This is too, a hunters duty.
Rescue Fang
-
Psss Psss Psss
Rescue Caius
-
Farewell, Babel.
Hidden achievement
-
Auld Lang Syne
Return to Babel after beating the game for the first time
-
Catch me if you can
Climb to the top of the Playroom
-
Headache
Jump on the heads of 100 Angels
-
The Legend Never Dies
Defeat Gabriel without taking damage
-
Living in the Database
Reach maximum Chip capacity
-
Pavane for Dead Princess
Rescue Raiza
-
Do androids dream of electric...?
Summon 5 Koka's at the same time
-
Non omnis moriar
Unlock all Mementos
-
The Honored One
Obtain 3 Level 5 Mementos in a single Expedition
-
High priority
Pet every pet
-
Why?
Hidden achievement
-
Can't go home again, baby.
Complete Folktale Fields without taking damage
-
Stocked
Unlock all Chips
-
Together Forever
Bring both Annes and Airy to at least LVL 3 in an expedition.
-
Before my Blood is Dry
Reach the top of the Tower at Level 1
-
Are you still here?
Hidden achievement
-
Without love, it cannot be seen.
Bond with every character
-
Hoarder
Obtain every Relic at least once
News
-
Sep 17, 2026 · Community Announcements Kernel Hearts is now out!
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! Tha…
-
Jun 4, 2026 · Community Announcements Kernel Hearts releases on September 2026!
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 pos…
-
Mar 31, 2026 · Community Announcements Kernel Hearts Demo is out NOW!
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…
-
Jan 15, 2026 · Community Announcements JOIN THE CLOSED PLAYTEST TOMORROW!!!
🔥 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 l…
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Sep 18, 2025 · Community Announcements PLAYTEST TOMORROW!!!
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 🐺 …
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Jul 9, 2025 · Community Announcements Thank you for participating in our first Playtest!
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! Tha…
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Jun 18, 2025 · Community Announcements Kernel Hearts - 1# Multiplayer Closed Alpha in a week!
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 …
Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.