Here is the full list of all 33 Furi achievements.
The base game contains 33 achievements, and there is 1 DLC pack containing 0 achievements.
Get a S rank in Furier difficulty (story mode)
Assimilate the Free World and make it your home
Get an A rank in Furi difficulty (story mode)
Get a S rank in Furi difficulty (story mode)
Beat Furi’s designer’s best speedrun time: 2:12:42
Beat Furi's combat designer’s best speedrun time: 1:29:56
Defeat a guardian without taking any hits
Accept The Song's compromise
Parry the same bullet 3 times after it bounces back from The Hand's shield
Parry 20 bullets against a guardian in one fight without game over
Turn your armor's light ON during a path
Meet The Voice in your cell after defeating The Chain
Hit one guardian 10 times with a boost hit in one fight without game over
Break all of The Line's shields before hitting him
Complete the game in Furier difficulty
Meet with The Voice in the Free World
Keep the armor glowing at maximum level for one full phase
Parry 20 consecutive hits against a guardian without getting hit
Hit a guardian 10 times with a melee attack in one fight without game over
Achieve 5 perfect parries during one fight against a guardian
Defend the Free World against your invasion
Defeat The Beat
Defeat The Edge
Defeat a guardian within 5 minutes
Defeat The Burst
Defeat The Song
Rise from a K.O. 20 times
Defeat The Hand
Defeat The Scale
Defeat The Line
Grab 10 heal pickups during a fight
Defeat The Strap
Defeat The Chain