How long is One Punch Man: A Hero Nobody Knows?

One Punch Man: A Hero Nobody Knows takes about 11h 26m to beat the main story, or around 14h 51m with extras.

How long does it take to 100% One Punch Man: A Hero Nobody Knows?

A completionist run of One Punch Man: A Hero Nobody Knows takes about 24h 19m.

41Meta Score

One Punch Man: A Hero Nobody Knows

Fighting Hack and slash/Beat 'em up Action

Developer: Spike Chunsoft|Publisher: Bandai Namco Entertainment America, Bandai Namco Entertainment, Bandai Namco Entertainment Europe

Playtime

HowLongToBeat · Medium confidence

Main Story

11h 26m

Main + Extra

14h 51m

Completionist

24h 19m

Media

3 videos + 3 screenshots

Links

Steam PlayStation Official Wikipedia Twitch

About This Game

Get ready to play 3v3 battles as Saitama, Genos, Hellish Blizzard, Speed-o'-Sound Sonic, Mumen Rider and more in One Punch Man: A hero nobody knows! Can you take down your foes with a single punch?

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Last updated Oct 5, 2026