Here is the full list of all 35 Half Minute Hero: Super Mega Neo Climax Ultimate Boy achievements.
Beat Hero 30 without using herbs to heal.
Get all achievements in the game.
Beat Classic Knight 30
Beat the first five levels of Classic Knight 30
Beat Classic Princess 30
Beat Classic Evil Lord 30
Beat every level under the target time.
Received every title.
Got all available equipment in single player mode.
Defeat any five Evil Lords with one hit.
Reached every ending in Hero 30.
Allied with all available NPCs.
Defeat any three Evil Lords wearing no equipment.
Cleared Hero 300 in Hard Mode.
Became 30 times the True Hero in multiplayer mode.
Play a multiplayer match with a friend
Play a multiplayer match with 3 other friends.
Beat the first five levels of Classic Evil Lord 30
Beat the final boss of Hero 30 using the Wood Sword as a weapon.
Defeat Larrie and beat Level 4 in 27 seconds or less.
Cleared "Cursed Hero" without defeating Sasha.
Cleared Hero 3.
Cleared Hero 300.
Beat the first five levels of Classic Princess 30
Cleared Hero 30.
Offered a total of 3000G to the Goddess in a quest in single player mode.
Beat the first 9 levels of Hero 30.
Eat 10 types of food.
Obtain Barrel Armor and Barrel Head
Get a companion to join you.
Win a multiplayer match.
Play online multiplayer.
Ride a ship.
Prayed to the Goddess for the first time in single player mode.
Record a time on the leaderboards.