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