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