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