No missable achievements (plus 53 unknown)
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Complete Boki's tutorial!
Destroy 139 enemies!
Blow up 3 enemies using one Exploder Exchikke!
Defeat 25 enemies using a sword!
Complete Savant's tutorial!
Destroy an enemy after you have died!
Combo 50 enemies in a row in Endless Mode!
Defeat a Krijyl!
Defeat a ninja using a shuriken!
Summon a dragon!
Die from something that only does 1 damage!
Combo 100 enemies in a row in Endless Mode!
Defeat 25 enemies using a drill!
Clear World 10 as Boki!
Get 50,000 points in Endless Mode!
Squish a bug!
Defeat 3 enemies with a single one of Boki's drill kicks!
Find the Fallen Angel in Endless Mode, and defeat it!
Defeat 5 enemies using a flaming whip!
Beat wave 50 in Endless Mode!
Defeat 10 enemies with the bunny gun!
Clear World 11 as Boki!
Deal the final hit to a boss in Endless Mode by jumping on it!
Reflect a squeaky missile!
Get 100,000 points in Endless Mode!
Block a Cavitation Beam using a kick!
Defeat 10 enemies using Diabolic Portal!
Beat wave 100 in Endless Mode!
Clear 4 waves in Endless Mode using only the Kitty Kick!
Pop all the penguins using only your feet!
Defeat Arikan on hard mode!
In one combo, use 9 out of the 10 basic weapons! (They can each be a part of a combined shot, though.)
Clear World 10 as Savant!
Clear World 10 as Boki on hard mode!
Defend the skyscraper while leaving it completely intact, with Boki!
Kick Captain Yolomo off his airship and into the abyss!
Clear World 11 as Savant!
Create a good custom level!
Clear World 11 as Boki on hard mode!
Use every one of Boki's combined weapons at least once!
Defeat 20 enemies using Omega Weapons!
Get 200,000 points in Endless Mode!
Defeat a boss using a penguin!
Clear World 10 as Savant on hard mode!
Beat every environment in Endless Mode!
Complete Marathon Mode!
Clear World 11 as Savant on hard mode!
Get 300,000 points in Endless Mode!