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UNDER NIGHT IN-BIRTH II Sys:Celes
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!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“this game is so damn good it makes me wanna merge without looking”
— a player, Steam review · 28 hrs played“I find it to be a fun fighting game that has an interesting arcade/story mode and was worth half off to play occasionally. I don't play it online. It's not going to be a 70+ hour fighting game, but it adds to the variety of fighting games I enjoy playing. Sometimes it's nice to…”
— a player, Steam review · 13 hrs played“[Saying this as someone new to the genre and does not have a lot of time actually playing against people in this game] I have always floated around the genre but never seriously tried to pick up a fighting game until I gave UNI 2 an honest attempt. The tutorial is the most…”
— a player, Steam review · 32 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 13:59 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
DLC Character #4 "Zohar" Character Trailer
Claws encroaching unseen, the "Doppelganger" joins the battle under the dark veil!
[Ver.1.35.01] Patch Release
This update aims to improve the network connection issues occurring for some players under certain conditions. While we cannot guarantee this patch will fix the issues for all play environments, we ex
[Ver.1.35]Patch Notes
This update to Version 1.35 consists of balance adjustments for game mechanics as well as some characters.The outline and purpose of the game balance changes are summarized in the “Battle Related Adju
[Ver.1.34]Patch Notes
The version 1.34 updates address issues that occurred in versions 1.32 and later.We sincerely apologize for any inconvenience caused.■ Overall ChangesChanged Battle Version to 1.34.We have fixed an is
[Ver.1.33]Patch Notes
In Version 1.33, this update focuses only on addressing urgent bug fixes.We sincerely apologize for any inconvenience this has caused.Until now, our updates have generally set the overall balance stan
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Action |
| Player tags | Action · 2D Fighter · Arcade · Anime · 2D · Spectacle fighter · Pixel Graphics · PvP · Fighting · Multiplayer · Local Multiplayer · Comic Book (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Shared/Split Screen PvP · Shared/Split Screen · Steam Achievements · Full controller support |
| Languages | English, French, Italian, German, Spanish - Spain, Japanese * , Korean, Simplified Chinese, Traditional Chinese * |
| Controller | Full support |
| Achievements | 27 |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
Minimum system requirements (PC)
Minimum: OS: Windows 10 / 11 Processor: Intel Core i5, 3.2 GHz Memory: 4 GB RAM Graphics: Nvidia GeForce GTX 680 / Radeon HD 7970 DirectX: Version 9.0c Network: Broadband Internet connection Storage: 20 GB available space Additional Notes: Display Resolution 1280x720 and above recommended.