'one punch man: a hero nobody knows' To access the following downloadable content: saitama dream version as an early access character. Saitama jersey additional outfit. Saitama Black suit additional outfit. Saitama mask as an avatar part. Please note: progress through the main mode is required for access to items related to characters a hero nobody knows… experience the world of one punch man for yourself in one punch man: a hero nobody knows! Form a team of your favourite heroes and villains, grow your techniques and see who reigns supreme in the one punch man game. One punch man: a hero nobody knows is an action fighting game set in a universe where threats are daily occurrences and heroes the sole hope against annihilation. Saitama the main protagonist, is a hero that can obliterate even the strongest foes with a single punch, a situation that bother him to no end. The game will feature 3 vs. 3 battles, where players can form powerful teams using many familiar faces, the first confirmed playable characters being genos, hellish Blizzard, mumen rider, speed-o'-sound Sonic and saitama.