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