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