Here is the full list of all 73 Mokoko X achievements.
Defeat Federic the Conscious Toy
Defeat Norman the Useless Gyroscope
Defeat Vanunu the Heartless but not Soulless Emperor
Defeat Federic, Norman & Vanunu
Defeat Khalil the Grim Ant
Defeat Scorpon-pink.png the PNG File
Defeat Mr. Fyodorov the Imaginary Spider
Defeat Khalil, Scorpon-pink.png & Mr. Fyodorov
Defeat Kabeer the Demonic Headphone
Defeat Lizardman God the Ramu
Defeat Captain Smithers the Anchor
Defeat Kabeer, Lizardman God & Captain Smithers
Defeat Captain Joseph the Living Bullet Hell
Defeat Ali Baba the Piece of Crap
Defeat Pillows the Hobby Plane Armada Colonel
Defeat Captain Joseph, Ali Baba & Pillows
Defeat Neil the Curious Fruit Fly
Defeat Fizz-Bizz the Loud Bug
Defeat Toru the Cursed Human
Defeat Neil, Fizz-Bizz & Toru
Defeat Arnold the Young Lieutenant
Defeat Boom Bang Dang the Master Exploder
Defeat Mahone the Professional
Defeat Arnold, Boom Bang Dang & Mahone
Defeat Thoroboros the Simple Small God
Defeat Albert the Wonderful Sea Creature
Defeat Albert the Angry Sea Star
Defeat Thoroboros, Albert & Albert
Defeat Alfonso the Caterpillar Controller
Defeat Chu Chao the Machinist
Defeat Tuck the Duck
Defeat Alfonso, Chu Chao & Tuck
Defeat Federic the Conscious Toy in Arcade mode
Defeat Norman the Useless Gyroscope in Arcade mode
Defeat Vanunu the Heartless but not Soulless Emperor in Arcade mode
Defeat Federic, Norman, Vanunu in Arcade mode
Defeat Khalil the Grim Ant in Arcade mode
Defeat Scorpon-pink.png the PNG File in Arcade mode
Defeat Mr. Fyodorov the Imaginary Spider in Arcade mode
Defeat Khalil, Scorpon-pink.png, Mr. Fyodorov in Arcade mode
Defeat Kabeer the Demonic Headphone in Arcade mode
Defeat Lizardman God the Ramu in Arcade mode
Defeat Captain Smithers the Anchor in Arcade mode
Defeat Kabeer, Lizardman God, Captain Smithers in Arcade mode
Defeat Captain Joseph the Living Bullet Hell in Arcade mode
Defeat Ali Baba the Piece of Crap in Arcade mode
Defeat Pillows the Hobby Plane Armada Colonel in Arcade mode
Defeat Captain Joseph, Ali Baba, Pillows in Arcade mode
Defeat Neil the Curious Fruit Fly in Arcade mode
Defeat Fizz-Bizz the Loud Bug in Arcade mode
Defeat Toru the Cursed Human in Arcade mode
Defeat Neil, Fizz-Bizz, Toru in Arcade mode
Defeat Arnold the Young Lieutenant in Arcade mode
Defeat Boom Bang Dang the Master Exploder in Arcade mode
Defeat Mahone the Professional in Arcade mode
Defeat Arnold, Boom Bang Dang, Mahone in Arcade mode
Defeat Thoroboros the Simple Small God in Arcade mode
Defeat Albert the Wonderful Sea Creature in Arcade mode
Defeat Albert the Angry Sea Star in Arcade mode
Defeat Thoroboros, Albert & Albert in Arcade mode
Defeat Alfonso the Caterpillar Controller in Arcade mode
Defeat Chu Chao the Machinist in Arcade mode
Defeat Tuck the Duck in Arcade mode
Defeat Alfonso, Chu Chao, Tuck in Arcade mode
Find the secret "HAHA" in the game
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Oh? So, you've purchased the game and still seeing ads?
Draw an area consists of 10 lines
Conquer more than 50% of the total area by a single move
Pass a level within 25 seconds
Pass a level during Time Stop is active
Conquer some area during the Darkness trap is active
Kissed by 10 times in one of the levels