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