Here is the full list of all 35 Dispersio 2 achievements.
Finish the game in hard mode
Get the good ending
Finish the game with all items
Kill all bosses
Find the acorn
Find the pork chop
Find the white orb
Repair the lost key
Find the amulet of strength
Find the pickaxe
Find the rubik's cube
Kill the fly
Finish the game
Let lightning strike
Find the Essence of Time
Find the Essence of Water
Find the Essence of Death
Find the cake
Find the Essence of Fire
Find the leather cloak
Kill 10 bosses
Find the spider egg
Find the Essence of Earth
Find the Essence of Air
Find the ring of air
Find the Essence of Life
Find the mushroom
You’re starting to get on my nerves...
Find the boots
Find the parachute
Kill 5 bosses
Find the climbing claws
Find the surfboard
Find the crystal
Kill a boss