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.
Complete the story
Scan all enemy types
Open the Vault
Collect all chests and secrets
Recruit all possible crew members for the Mantis
Defeat a former Jedi Master
Find all of BD-1's stim canisters
Defeat four mysterious creatures
Hit a single enemy with all lightsaber types
Craft a lightsaber of your own
Defeat 20 enemies with explosives
Defeat the winged terror on Dathomir
Defeat 3 enemies using a single lightsaber throw
Discover 75 Force Echoes
Fully customize your lightsaber
Defeat an enemy with a hacked droid
Explore the crashed Venator
Defeat each type of Bounty Hunter
Defeat the Ninth Sister
Send 25 enemies over the edge
Complete the Tomb of Miktrull
Customize the look of Cal, BD-1, and the Mantis
Parry 100 enemies
Defeat an enemy by colliding them with another enemy
Free the Wookiees from Imperial imprisonment
Defeat 50 enemies with reflected blaster bolts
Complete the Tomb of Eilram
Discover the Bogano Vault
Join the crew
Kick a phillak that has kicked you
Unlock all Jedi skills
Complete all of BD-1's holomaps
Defeat an enemy using only kicks
Defeat an enemy with their own Slowed blaster bolt
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
Find all of BD-1's encrypted logs