Here is the full list of all 46 Xotic achievements.
The base game contains 34 achievements, and there are 3 DLC packs containing 12 achievements.
Destroyed all Orb Brains in a level
Picked up all Orb Essence in a level that contains more than 50
Successfully performed an Aerial Combo
Destroyed all Scab Plants in a level
Achieved a chain of 50 Scab Plants
Achieved a chain of 25 Scab Plants
Landed on top of a Hard Hologram after a triple jump
Intercepted 10 enemy projectiles out of mid air
Killed an enemy while in mid jump
Destroyed 1000 Scab Plants
Killed multiple enemies with 1 shot
Killed 3 enemies in less than 10 seconds
Earned a ranking of 5 stars on every level on the Hard difficulty level
Destroyed all Scab Plants in a level in a single chain on at least 15 different levels
Completed a combat level in The Vanishing City without taking any damage
Successfully performed 10 Aerial Combos in one level
Destroyed 5000 Scab Plants
Killed 50 Skurge Bombers or Spiderlings
Fully upgraded the Hard Hologram Emitter
Killed 50 Turrets
Detonated 10 Landmines after triggering their activation sequence
Killed 10 enemies with malfunctioning ammunition
Achieved a chain of 100 Scab Plants
Destroyed all Scab Plants in a level in a single chain
Defeat the Orb and rid the planet of its presence!
Poisoned an enemy and had it infect another enemy
Completed all 3 goals with a point multiplier powerup active
Performed 3 consecutive Aerial Combos without touching the ground or a Hard Hologram in between
Finished all levels of the game in all game modes
Performed 5 consecutive Fly Kills
Found and destroyed robot heads in at least 5 different levels
Landed on 1000 Hard Holograms
Killed 6 enemies in less than 30 seconds
Found and destroyed a blue Crystal Orb Brain
Defeat a combat level using only the Scorch weapon (requires Pipe Works DLC)
Perform a perfect chain with a point multiplier powerup active (requires Pipe Works DLC)
Complete a non-tutorial combat level with at least 95% accuracy (requires Pipe Works DLC)
Complete a Pipe Works level in Scab Attack mode
Finish a combat level without destroying a single Scab plant (requires Temple Crypt DLC)
Destroy multiple Orb Brains with 1 shot of the Slayer (requires Temple Crypt DLC)
Finish a combat level in Essence Attack mode without firing a single shot (requires Temple Crypt DLC)
Finish a Temple Crypt level in Essence Attack mode
Turned the Scab meter purple (chain of 25) at least 10 distinct times in a level (requires Warp Field DLC)
Destroy a child of a Megabrain before it hits the ground (requires Warp Field DLC)
Complete all 3 goals in a non-tutorial level before killing a single enemy (requires Warp Field DLC)
Finish a Warp Field level in Brain Attack mode