Here is the full list of all 39 STAR WARS Jedi: Fallen Order achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Kick a phillak that has kicked you
Collect all chests and secrets
Complete all of BD-1's holomaps
Defeat four mysterious creatures
Find all of BD-1's stim canisters
Explore the crashed Venator
Unlock all Jedi skills
Hit a single enemy with all lightsaber types
Parry 100 enemies
Find all of BD-1's encrypted logs
Recruit all possible crew members for the Mantis
Discover 75 Force Echoes
Complete the story
Open the Vault
Defeat a former Jedi Master
Defeat each type of Bounty Hunter
Craft a lightsaber of your own
Send 25 enemies over the edge
Defeat the winged terror on Dathomir
Defeat the Ninth Sister
Join the crew
Discover the Bogano Vault
Complete the Tomb of Eilram
Complete the Tomb of Miktrull
Free the Wookiees from Imperial imprisonment
Defeat 50 enemies with reflected blaster bolts
Defeat an enemy by colliding them with another enemy
Fully customize your lightsaber
Customize the look of Cal, BD-1, and the Mantis
Defeat an enemy using only kicks
Defeat 3 enemies using a single lightsaber throw
Defeat an enemy with their own Slowed blaster bolt
Defeat 20 enemies with explosives
Defeat an enemy with a hacked droid
Precision Evade 100 attacks
Defeat 25 enemies while they are under the effect of Empowered Slow
Slice an oggdo's tongue
Have a fully grown terrarium
Scan all enemy types