ULTRA0
On-rails shooter combining monster battles with visual novel storytelling
PenGames · Released Jun 2, 2026
- Reviews
- Very Positive
- 97% of 92
- Recent reviews
- Not enough recent
- Players
- 1
- daily peak, Oct 28, 2026
- Steam Deck
- Verified
- Last update on Steam
- 4 months ago
- May 31, 2026
What is ULTRA0?
A single-player, pseudo-3D shooter set in Nation N, where girls defend the country against giant monsters. You move your character to aim automatic attacks, collect random power-ups, and activate bombs and skills with a button press. The story begins with elite warrior Shirogane and switches protagonists each chapter.
For you if...
- +you prefer short campaigns you can finish in one sitting
- +you enjoy dark anime stories with yuri elements
Not for you if...
- −you want demanding shooting with deep combat systems
- −you prefer action without substantial visual novel sections
What players say
97% of 92 reviews are positive
Players praise the story's unexpected turns, the artwork, and the soundtrack. Some find the ending unclear and the characters insufficiently developed.
Screenshots and trailer
ULTRA0 system requirements
Minimum: 16 GB RAM, 1 GB of disk space.
As published by the developer.
Can my PC run ULTRA0?
The published requirements do not name a graphics card we can compare.
Set up my PC →Minimum
- OS
- windows11(64bit)
- Processor
- Intel Core i7 or better
- Memory
- 16 GB RAM
- Storage
- 1 GB available space
Recommended
Requires a 64-bit processor and operating system
Does ULTRA0 have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does ULTRA0 run on Steam Deck?
Verified Yes, Verified by Valve: it works on Steam Deck out of the box.
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Achievements
- 6
- Steam features
- Cloud saves, Family Sharing
- Languages
- Text only: English, Japanese.
Does ULTRA0 use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam
