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