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