Here is the full list of all 39 Star Wars Jedi: Fallen Order achievements worth 1,000 gamerscore.
Hit a single enemy with all lightsaber types
Completed the story
Opened the Vault
Defeated each type of Bounty Hunter
Recruited all possible crew members for the Mantis
Defeated a former Jedi Master
Crafted a lightsaber of your own
Defeated the winged terror on Dathomir
Defeated the Ninth Sister
Completed the Tomb of Miktrull
Freed the Wookiees from Imperial imprisonment
Defeated an enemy by colliding them with another enemy
Completed the Tomb of Eilram
Defeated 50 enemies with reflected blaster bolts
Customized the look of Cal, BD-1, and the Mantis
Discovered the Bogano Vault
Fully customized your lightsaber
Joined the crew
Kick a phillak that has kicked you
Collect all chests and secrets
Defeat four mysterious creatures
Unlock all Jedi skills
Complete all of BD-1's holomaps
Explore the crashed Venator
Parry 100 enemies
Defeat an enemy using only kicks
Defeat 3 enemies using a single lightsaber throw
Defeat an enemy with their own Slowed blaster bolt
Defeat 20 enemies with explosives
Defeat an enemy with a hacked droid
Precision Evade 100 attacks
Send 25 enemies over the edge
Defeat 25 enemies while they are under the effect of Empowered Slow
Slice an oggdo's tongue
Find all of BD-1's stim canisters
Have a fully grown terrarium
Find all of BD-1's encrypted logs
Scan all enemy types
Discover 75 Force Echoes