Here is the full list of all 16 Dress-up Traveller achievements.
Defeat 500 enemies
Defeat tree demon
Get all the equipment
Defeat big spider
Reach level 25
Reach level 20
Reach level 15
Reach level 10
Reach level 1
Has 50000 coins
Defeat 150 enemies
Has 20000 coins
Get honey
Defeat 50 enemies
Has 5000 coins
Has 1000 coins