Here is the full list of all 25 Munchies achievements.
Die one hundred times
Kill every enemy type at least once.
Get haunted by your own ghost.
Get stung by bees twenty-five times.
Pickup ten diamonds
Glide with your parachute for a total of two minutes.
Complete all twenty-five levels
Kill every single dragon in the game.
Destroy every single windmill in the game.
Pick up every food type at least once.
Complete twenty levels
Have a piece of your food stolen by a guinea pig.
Complete fifteen levels
Blast-open twenty-five mystery boxes.
He's always ready to help! Can you figure out how?
Get snatched by a big flying bird.
Find a way to become a pirate. Up, up and away!
Find a vessel and set sail across the great waters!
Pigs can fly! Seriously! See it for yourselves!
Complete ten levels.
Pick up two hundred and fifty food items.
Complete first five levels.
Squish fifty enemies by jumping on them.
Kill one hundred enemies
Blast yourself with a bomb.