Here is the full list of all 20 Sword Mans achievements.
Deal 500 damage in a single hit.
Heal 1,000 health in a single life.
Use a total of 1,000 boost.
Deal a total of 100,000 damage.
Heal a total of 50,000 damage.
Play a complete match with all 10 weapons.
Play a complete match with 4 players.
Survive 5 waves in the arena.
Survive 10 waves in the arena.
Own 200 gold at one time.
Purchase an item from the shop.
Use 50 boost without touching the ground.
Usurp the throne.
Boldly go where no sword man has gone before.
Complete chapter 1 of the campaign.
Complete chapter 2 of the campaign.
Complete chapter 3 of the campaign.
Complete chapter 4 of the campaign.
Complete chapter 5 of the campaign.
Complete chapter 6 of the campaign.