One Punch Man: The Strongest codes (March 2023) – free in-game rewards

Last Updated on 20.03.2023

One Punch Man: The Strongest is the story of a hero named Saitama who became one out of boredom. For three years, he has trained intensively until he has gained the kind of strength that allows him to defeat all enemies in one blow. From this point, the adventures of the protagonist begin. The developers promise a story based on the source material, a voice-over from the original actors and several game modes.

This page contains all the promo codes we know for One Punch Man: The Strongest game for March 2023. It is important to understand that some codes may not work in your region, some are only available to new players, and some can be activated in certain cases. Please only rate One Punch Man: The Strongest promo codes for March 2023 if you have actually verified them so that other players get reliable information. Most promo codes give some sort of reward, most often in-game currency, various bonuses or items.

Also be sure to check out the new The Legend of Neverland codes, updated Awaken: Chaos Era codes, working Cookie Run: OvenBreak codes, free Idle Heroes codes and the latest Honkai Star Rail codes on our portal.

All One Punch Man: The Strongest codes

Active codes global server for March 2023: 

  • hhjeHZkh
  • HeroComingBack
  • Hero4Fun
  • HeroreadyToGo

One Punch Man Road To Hero 2.0 Codes

Expired codes

  • OPM2021
  • OPMJAN01

How do I redeem my OPM: The Strongest codes?

  • Launch One Punch Man: The Strongest
  • Click the Avatar symbol in the upper left corner of the screen.
  • Select the gift code button.
  • Copy and paste any of the above-mentioned active One Punch Man: The Strongest codes for March 2023 into the text field.
  • To get your free gift, click the confirm button.

What are OPM: The Strongest codes?

OPM: The Strongest codes for March 2023 are freebies distributed by FingerFun Limited to aid you in your quest to become the strongest hero of all time – no baldness required! FingerFun Limited issues new codes to commemorate real-life anniversaries such as the start of a new month or year, as well as in-game events such as the addition of a new hero to the conflict.