We Love It's Guide to…
Choose from 24 fighters, build combos, and contest a shared resource in a 2D fighter set during the Hollow Night’s final chapter.
Released 24 Jan 2024
Win the Resource Tug-of-War
Build Flexible Combos
Master 24 Fighters
The newest riveting installment in the epic Under Night In-Birth saga rises from the Abyss! Improved visuals and battle system! Witness the curtain fall on the tale of the Hollow Night. Vie for supremacy through exhilarating combat and a deep, robust battle system!
Developed by FRENCH-BREAD, Arc System Works · Published by Arc System Works






UNDER NIGHT IN-BIRTH II Sys:Celes is a 2D fighting game set in the final chapter of the Hollow Night story. Choose one of 24 fighters, including three new characters, and face opponents in fast-paced one-on-one battles.
Fight with character-specific attacks and flexible combo routes. A central resource system makes each round a contest to gain the advantage: winning its cycle grants a damage boost and access to a cancel mechanic. Attacks, defense, and timing all help shape that contest.
Play arcade and other single-player modes, or learn the game through tutorials and character combo trials. Online options include ranked and casual matches, with rollback netcode.
Reviewers often praise the depth of the combat, especially the resource contest and the choices it creates around offense and defense. Many also enjoy the flexible, satisfying combos, distinct character styles, soundtrack, and detailed tutorials. Some find the game demanding to learn, and a recurring concern is that a small online player pool can make matches harder to find; several reviewers also wish there were more story or single-player content.


| Platforms | Windows |
|---|---|
| Achievements | 27 |
| Age ratings |
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| Controller support | PlayStation, Xbox |
| Controller required | No |
| DLC / extras | 6 listed on Steam |
| Content notices |
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