Here is the full list of all 20 Dungeon-Party achievements.
Has completed the tutorial
Has hosted and completed 1 game
Has joined and completed 1 game
Has completed 10 games
Has completed 20 games
Has completed 50 games
Has won 1 game
Has won 10 games
Has won 50 games
Has killed 1 enemy hero
Has killed 10 enemy heroes
Has covered 500m carrying the treasure
Has covered 1000m carrying the treasure
Has drunk 10 potions
Has laid 10 traps
Has smashed 50 crates
Has dispensed 500 Health points
Has inflicted 1000 points of damage
Has carried the treasure 50 times
Has thrown the treasure 50 times