Here is the full list of all 72 Super Chibi Knight achievements.
Read the library scrolls
Defeat the Desert Sand Worm
Defeat the Red Wasps
Defeat the two giant slimes
Return the 3 orbs to the well
Sacrifice 3 XP Munchers on the Forest Altar
Defeat the Yellow Ork
Defeat the Blue Wombat
Defeat the Ultra-Crab
Free the One-eyed Phoenixes from their cages
Carve a sculpture for the Pirate
Return the Phoenix Eggs to the beastmaster doorway
Choose to go to Mahou Island
Choose to go to the Yajuu Mountains
Sacrifice the boy on the forest altar... you animal!
Defeat the forest altar guardian in battle
Deliver the required glow flies to restore light
Return the missing boy to his parents
Wake up Jorge the Drunk
Talk to the old man
Hit the cow... someone call PETA!
Find and read Gruber's secret diary
Get all 4 beast mounts
Free and tame the Hebi beast
Defeat the salt guardian
Defeat Ivan Dragon
Defeat the fly Baxter Knees
Save the sick girl with soup
Figure out the code to the safe
Shoot a basket with the basketball
Find all 4 sorcerer spells
Defeat the Flame Flea
Defeat the Ice Pengu boss
Defeat the Panda Witch
Defeat the Bridge Troll
Catch a Koi fish
Defeat Leo the Leopleurodon
Find the Monkey Idol in the jungle
Restore the 3 Mystery Gems
Get frozen
Drown
Jump in the water with a fiery sword
Return to Oukoku after specializing
Defeat the living statue
Defeat the Super Phoenixes
Open the dark portal to the Kazangan volcano
Make it across the Red Bridge
Defeat General Tso as a Beastmaster
Defeat General Tso as a Sorcerer
Burn the forest altar with lightning
Free il Cavaliere-di-Pala
Find all of Glitch's brothers
Find all XP bags and treasure chests
Beat the game as a sorcerer without getting the "life" spell
Beat the game without getting the sword spin move
Earn 5,000 xp after being maxed out
Beat the game without losing a life
Max out all your stats (armor, special, and attack)
Grow and grab a carrot
Harness your Hadou with fireball power
Learn to twirl your sword
Learn to attack upward
Burn the farmer's field with no remorse
Ride the mine cart off the tracks
Find Dan McNeely
Find Nathan
Find Sydney
Trigger the boulder in the Yajuu Mountains
Destroy the Heart
Experience a familiar death on the overworld map
Visit Tom Fulp in his War Blimp
Save some glow flies for the end