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