OPM One Hit One Kill is a strategic role-playing game based on the original Anime “OPM” Game that 100% recreates the world of Heroes through the story from Anime, and has surpassed 5 million players across Asia.

Our city is under attack by monsters, the city dwellers are looking for shelter. It's time for the Hero Association to do justice! Quickly follow Saitama to fight against the Monsters.

Log In To Receive Your Favorite SR Characters
OPM One Hit One Kill is a turn-based strategy game. During the gameplay experience, gamers will have the opportunity to build diverse and flexible squads by their favorite characters.
- Newcomers log in to receive their favorite SR characters and 99 SSR character draw vouchers.

Build Your Own Team to Become No.1 Server
Freely build a team with diverse Heroes or Monster characters
- Build your own Hero or Monster squad, or combine the two to create your own unique strategy.
- Build the strongest squad to participate in 3vs3, 6vs6 arenas and go straight to the Top Ranking

Summon Saitama And Punch To Win
Experience destroying Monsters with just one punch with Saitama.

Do Mission To Receive Gifts
OPM One Hit One Kill is a game for everyone, just log in and do daily tasks to receive a lot of free diamonds and gifts
- The more you log in, the more diamonds you get.
- Complete daily quests and level up to get free SSR character draw vouchers and diamonds