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