Here is the full list of all 18 WILD SEX: WET GIRLS achievements.
Skip opening cutscene
Treat yourself 5 times
Treat yourself 20 times
Die 5 times
Collect all barrels in game
Finish survival level
Finish survival level without taking damage
Buy all the swords in the game
Buy any sword
Make a combo with a pistol
Kill the enemy in mid-air
Kill 30 enemies in mid-air
Finish level with train (2 уровень)
Break the bridge
Finish the game without taking damage
Die 10 times
Take 10 enemy into the air
Take 30 enemy into the air