Here is the full list of all 36 Dark Roll achievements.
Collect 1000 gems in total.
Complete Level 20 without Baby Mode turned on.
Complete all the levels from "World III".
Complete "Level 20: Throne Room" after avoiding at least 30 of Xander's attacks.
Make Xander hurt himself with his own attack.
Make it to the phase 4 of Endless Roll.
Collect 15 gems during one game of Endless Roll.
Let "The Randomizer" pick your skin.
Destroy 10 vases in total in Endless Roll.
Play Endless Roll for 30 minutes in total.
Bump once into every kind of mushroom in Endless Roll.
Hit Xander in "Level 18: The Castle".
Complete "Level 17: Graveyard" after agitating 15 or more ghosts.
Die for the 50th time.
Complete "Level 16: Mausoleum" without making a mistake.
Defeat "Bob the Scavenger" without jumping.
Complete all the levels from "World II".
Defeat "Bob the Scavenger" without starting the fire.
Hit "Bob the Scavenger" in the head. Hard.
Complete "Level 13: Bomb Factory" without blowing up the wall.
Complete "Level 11: Ruined Manufactury" starting the clock only once.
Complete all the levels from "World I".
Complete "Level 9: Ring of Death" jumping no more than 3 times.
Jump and collect all the gems before touching the ground.
Make it to the phase 3 of Endless Roll.
Reach phase 3 of Endless Roll without touching any mushrooms.
Collect 250 gems in total.
In Endless Roll, during one game, remain close to Fire Portal for 30 seconds in total.
Complete "Level 8: Crevice" jumping no more than 5 times.
Complete "Level 6: Platforms" in under 30 seconds.
Collect 50 gems in total.
Complete "Level 3: Path" without jumping.
Fall into the abyss for the first time.
Make it to the phase 2 of Endless Roll.
End up shattered to pieces for the first time.
Finish the tutorial.