Here is the full list of all 9 Rugida achievements.
First start game
Kill 500 enemies.
Kill the enemy using a trap.
Open 50 chests.
Earn 1000000 coins for all the time in a regular game.
Die from an enemy whose health is less than 1.
Defeat the Worm Verentina.
Defeat the sleeping knight.
To win the mother Fox.