GET YOUR BEARINGS
About UNDER NIGHT IN-BIRTH II Sys:Celes
UNDER NIGHT IN‑BIRTH II Sys:Celes delivers the dramatic, stylish 2‑D fighting action of the series as the final chapter of the Hollow Night saga. The story frames a looming catastrophe while the roster expands to twenty‑four fighters, three of which are brand new.
The game emphasizes accessibility with simple, single‑button inputs and adds depth through new moves, the mechanics Creeping Edge and Celestial Vorpal, and rollback‑netcode for online play. Full controller support, Steam achievements, cloud saves, and split‑screen options round out the Windows‑only feature set.
01 / THE GUIDE
Character Roster
A total of twenty‑four fighters are selectable, and three newcomers join the lineup: Moonlight Dancer Kaguya, Indomitable Rampart Tsurugi, and Endless Entity Kuon. Each character receives visual updates and new moves such as Hyde’s Blaring Outrage and Linne’s Soaring Dragon.
All characters operate within the same core fighting system, allowing players to test any fighter without learning separate mechanics. This uniformity supports both casual experimentation and competitive consistency across the full cast.
- Try each new fighter in training mode to learn their signature moves.
- Swap between familiar and new characters to compare their move sets.
02 / THE GUIDE
Graphics and Presentation
Battles are rendered in highly detailed HD pixel‑art graphics, providing crisp animations that keep visual focus on the action. The style preserves the series’ dramatic flair while ensuring clarity on modern displays.
The visual design works for both solo and split‑screen play, keeping each fighter distinct even when the screen is shared. This supports the listed Shared/Split Screen PvP feature.
- Set your monitor to its native refresh rate for smoother animation.
- Use split‑screen mode to compare character animations side‑by‑side.

03 / THE GUIDE
Input Simplicity
Simple inputs let newcomers execute moves with a single button, lowering the entry barrier for fighting‑game novices. Full controller support, including DualShock compatibility, ensures gamepad users have a comfortable experience.
Although inputs are straightforward, precise timing and strategic use of new systems like Creeping Edge still reward skillful play, preserving depth for experienced fighters.
- Begin with the basic single‑button moves before exploring combos.
- Prefer a gamepad for the most responsive input feel.
04 / THE GUIDE
Online Play and Netcode
Rollback netcode is included to improve online PvP matches, reducing latency‑related errors and making timing more reliable. This aligns with the listed Online PvP and rollback support.
Steam Leaderboards and Achievements track progress, while Steam Cloud saves preserve settings across sessions, supporting the Steam‑related features noted for the title.
- Enable rollback netcode in the options menu for the most stable online matches.
- Check the leaderboards to gauge your rank against the community.
05 / THE GUIDE
New Game Mechanics
The mechanics Creeping Edge and Celestial Vorpal add fresh strategic layers, expanding combat depth beyond traditional combos. Each character receives new moves that interact with these systems, such as Hyde’s Blaring Outrage.
These systems reward players who study timing and positioning, offering alternative paths to victory that rely on precise activation windows rather than raw damage alone.
- Practice the timing of Creeping Edge in training mode.
- Experiment with Celestial Vorpal to discover situational advantages.





COMMUNITY
Player discussion