Steam

Four magical girls climb the Tower of Babel in a co-op roguelike action RPG

Kernel Hearts Game

Kernel Hearts is a multiplayer co-op roguelike action RPG developed by Ephemera Games and published by Whitethorn Games. It released on September 17, 2026 at $19.99 on Steam and the Epic Games Store, with PlayStation 5, Xbox Series X|S and Nintendo Switch 2 versions listed by the publisher.

Released
Sep 17, 2026
Players
1-4 online co-op
Steam achievements
44

Sep 17, 2026

Release date

Launched on PC, with console versions listed by the publisher

$19.99

Price

Premium price on Steam and the Epic Games Store

4

Playable units

Fernet, Spika, Laika and Dolce of the M.A.H.O.U Unit

44

Steam achievements

Listed on the official Steam store data

Media

Trailer and screenshots for Kernel Hearts — click any shot to enlarge.

Screenshots from the official Kernel Hearts store listings; developed by Ephemera Games and published by Whitethorn Games.

Two trailers are listed on the official Steam store page, including the release trailer on the Ephemera Games channel.

FAQ

Answers use only sourced facts; unverified items are marked.

What is Kernel Hearts?
It is a multiplayer co-op roguelike action RPG from Ephemera Games, published by Whitethorn Games, about four magical girls climbing the Tower of Babel to dethrone God.
When did Kernel Hearts release and how much is it?
It released on September 17, 2026 and costs $19.99 on Steam and the Epic Games Store.
Does Kernel Hearts have online co-op?
Yes. The Steam listing carries co-op, online co-op and cross-platform multiplayer categories, and the official description says you can fight with up to four friends.
What platforms is Kernel Hearts on?
Windows via Steam and the Epic Games Store, with PlayStation 5, Xbox Series X|S and Nintendo Switch 2 listed by the publisher Whitethorn Games.

Ready to start Kernel Hearts?

Read the beginner guide first, then pick the platform that fits how you play.

Looking for other games? Return to the full game directory.