KernelHearts.Guide - Tips & Guides
Practical guides, character loadouts, tower floor progression, boss strategies, chip tips, achievements and more for the Kernel Hearts game.
Official Game Trailer
Watch the reveal trailer
Popular Guides
Walkthroughs and strategy for the Kernel Hearts game.
New to Kernel Hearts? This beginner guide walks you through your first run: the M.A.H.O.U Unit, chip loading basics, co-op setup, and your path through the Tower of Babel.
Both floors of the Tower of Babel in unlock order: what gates each one, what to finish before moving on, and the exact chip loadout each floor assumes you have.
Every chip fragment farm in Kernel Hearts ranked by fragments per hour: angel patrol routes, boss fragment drops, quest rewards and endgame shard runs, with exact costs and timings.
The complete 100% checklist for Kernel Hearts: all 44 achievements, both guardians, the full character roster and the Divine Seal, in the efficient order.
The Kernel Hearts x Fortnite crossover explained: the Fernet Outfit, the Epic Games Store pre-purchase gift from August 17, eligibility rules and how to claim it.
How the Kernel Hearts transformation works: filling the gauge with weakness hits, what the true magical girl form does, curse dispel timing and co-op transformation sync.
The Kernel Hearts bond system explained: which Babel residents to befriend, how gifts work, what deeper bonds unlock, and the best early gift route through the tower inhabitants.
Start Here
What players look up most
Beginner Guide
Your first run, the chip system that anchors the early game, and the one mechanic that decides every fight
Characters
Every M.A.H.O.U Unit character, their floor, weakness and recommended chip loadout
Floors
Both floors in unlock order and how each one opens
Bosses
Both guardians with summon items, mechanics and step-by-step strategies
Chips
Attack, spell and movement chips — what to load and when within 256KB
Achievements
All 44 achievements with a local progress tracker
Popular Questions
Featured Characters & Bosses
Latest Updates
- LaikaCharacterSeptember 19, 2026
- Beginner Guide - First Run Tips & Chip BasicsGuideSeptember 18, 2026
- Tower Progression - Floor Order & GatesGuideSeptember 18, 2026
- Chip Farming - Best Fragment RoutesGuideSeptember 18, 2026
- 100% Completion - All 44 AchievementsGuideSeptember 18, 2026
- Fortnite Skin: How to Get the Fernet OutfitGuideSeptember 18, 2026
- Transformation Guide: Magical Girl FormGuideSeptember 18, 2026
- Bond & Gift Guide: Babel ResidentsGuideSeptember 18, 2026
Frequently Asked Questions
See all FAQIs Kernel Hearts free to play?
No — Kernel Hearts is a premium purchase on Steam and the Epic Games Store (PC) plus PS5, Xbox Series X|S and Switch 2, with no confirmed microtransactions. Content updates from Ephemera Games and Whitethorn Games are expected to be free for all owners.
What platforms is Kernel Hearts on?
Kernel Hearts launched on PC (Steam and Epic Games Store), PS5, Xbox Series X|S and Nintendo Switch 2 — no PS4, Xbox One or mobile versions. The platforms page compares every edition, and the game supports 1-4 player co-op on all of them.
How do I unlock the second floor, The Heavenly Courtyard?
Defeat the Floor 1 Guardian in The Outer Gates and pick up the Floor Access Key it drops, then use the key on the sealed upward gate. The Guardian itself requires the Guardian Sigil, a free reward from the introductory quest chain.
How many bosses are in Kernel Hearts?
Two at launch: the Floor 1 Guardian (Floor 1, easy) and the Floor 2 Guardian (Floor 2, hard). Each boss page covers the summon item, mechanics and a step-by-step strategy.
What are chips and how do they work?
Chips are the equipment system in Kernel Hearts. You load them onto your MAHOU.OS (max 256KB budget) to customize attacks, spells, and movement. Mix and match within the budget for each fight.
How do I summon a boss?
Each boss has a specific summon item: the Guardian Sigil (free quest reward) opens the Floor 1 sealed gate, and the Divine Crown (forged from three Angel Shards) goes on the Floor 2 throne platform.