Here is the full list of all 39 Star Wars Jedi: Fallen Order achievements worth 1,000 gamerscore.
Completed the story
Recruited all possible crew members for the Mantis
Opened the Vault
Defeated a former Jedi Master
Crafted a lightsaber of your own
Defeated the winged terror on Dathomir
Sent 25 enemies over the edge
Fully customized your lightsaber
Defeated the Ninth Sister
Completed the Tomb of Miktrull
Parried 100 enemies
Defeated an enemy by colliding them with another enemy
Freed the Wookiees from Imperial imprisonment
Defeated 50 enemies with reflected blaster bolts
Completed the Tomb of Eilram
Discovered the Bogano Vault
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
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
Defeat 25 enemies while they are under the effect of Empowered Slow
Hit a single enemy with all lightsaber types
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
Customize the look of Cal, BD-1, and the Mantis
Scan all enemy types
Defeat each type of Bounty Hunter
Discover 75 Force Echoes