Here is the full list of all 12 Xotic achievements worth 200 gamerscore.
Land on top of a Hard Hologram after performing a triple jump
Intercept 10 enemy projectiles out of mid air
Kill an enemy while in mid jump
Destroy 1000 Scab Plants
Kill multiple enemies with 1 shot
Kill 3 enemies in less than 10 seconds
Earn a ranking of 5 stars on every level on the Hard difficulty level
Destroy all Scab Plants in a level in a single chain on at least 15 different levels.
Complete a combat level in The Vanishing City without taking any damage
Successfully perform an Aerial Combo
Successfully perform 10 Aerial Combos in one level
Pick up all Orb Essence in a level that contains more than 50