PCGame

ONE PUNCH MAN: A HERO NOBODY KNOWS

Anime arena fighter with a custom hero and team battles

Spike Chunsoft Co. Ltd. · Published by BANDAI NAMCO Entertainment · Released Feb 27, 2020

Action

Reviews
Mixed
54% of 1,835
Recent reviews
Mixed
63% of 11 in 30 days
Players
6
daily peak, Nov 7, 2026
Steam Deck
Unsupported
Last update on Steam
4 years ago
Feb 28, 2022
Minimum PC
GeForce GTX 570
8 GB RAM · 8 GB disk
Full requirements

What is ONE PUNCH MAN: A HERO NOBODY KNOWS?

In this 3D arena fighting game set in the One Punch Man world, you create a hero with chosen abilities who joins characters from the anime's first season. You fight in three-on-three battles as your hero or an established character, with meteors and other heroes affecting the action.

For you if...

  • +you like customizing a hero's look and abilities
  • +you enjoy anime team fights with mid-match surprises

Not for you if...

  • −you prefer one-on-one fights over three-person teams
  • −you want the story to center on playing Saitama

What players say

54% of 1,835 reviews are positive · 63% of 11 in the last 30 days

Players praise the hero customization and the arrival of stronger characters during fights; some also enjoy the combat. The most common complaint is frequent, long loading screens, while others find the fighting slow or repetitive.

How many players finish ONE PUNCH MAN: A HERO NOBODY KNOWS?

10% of Steam players have unlocked «You Did Fine, Nice Fight», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

ONE PUNCH MAN: A HERO NOBODY KNOWS screenshot 1

ONE PUNCH MAN: A HERO NOBODY KNOWS system requirements

Minimum: GeForce GTX 570, 8 GB RAM, 8 GB of disk space.

As published by the developer.

Can my PC run ONE PUNCH MAN: A HERO NOBODY KNOWS?

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Minimum

OS
Windows 10 64-bit
Processor
Intel Core i5-2550
Graphics
GeForce GTX 570
Memory
8 GB RAM
Storage
8 GB available space
DirectX
Version 11

Recommended

OS
Windows 10 64-bit
Processor
Intel Core i5-7400
Graphics
GeForce GTX 680
Memory
8 GB RAM
Storage
8 GB available space
DirectX
Version 11

Does ONE PUNCH MAN: A HERO NOBODY KNOWS have co-op or multiplayer?

Yes: PvP online and split-screen. It also has a single-player mode.

Does ONE PUNCH MAN: A HERO NOBODY KNOWS run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

  • Unsupported on Steam Deck because of its anti-cheat

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
47
Steam features
Cloud saves, Family Sharing
Languages
Full audio: English. Text only: French, Italian, German, Spanish - Spain, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese.

Does ONE PUNCH MAN: A HERO NOBODY KNOWS 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 25, 2026. How to filter AI games on Steam

Tags

Recent updates

2 DLC available.

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