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