Here is the full list of all 73 ReCore: Definitive Edition achievements.
Use every Lethal combination
Command each Core companion to do a T8-NK Lethal
Defeat the leader of the Obsidian Cult
Max out one friendly Core through Core Fusion
Max out a Friendly Corebot to level 30
Max out Joule's Energy Rifle level
Complete all Story Missions
Achieve a Combo of 40
Defeat Victor at the Bottom of the E-Tower
Find all Hardware pickups in The Cradle
Collect 50000 E-Turner
Complete ‘Well of Shadows’ dungeon
Complete ‘The Scalding Cell’ dungeon
Complete ‘Brimstone Cut’ dungeon
Crafted 25 Parts
Complete ‘Tumbledown’ dungeon
Glide for 20 continuous seconds using an FL1-R Frame
Dig up 10 items using a K-9 Frame
Get to the E-Tower
Complete The Warren
Make a FL1-R Frame
Extract 100 Cores
Unlock the T8-NK Frame
Put Mack into a non K-9 Frame
Craft 10 Parts
Cause over 10000 Damage in one hit
Smash something using the AP-3 Frame
Duncan Joins Joule's Crew
Complete Core Foundry
Perform 20 Instant Extractions
Find all of the Color Affinity Attachments
Extract 50 Cores
Seth Joins Joule's Crew
Outfit a Corebot with a completed Part Set of any type
Extract 25 Cores
Use Core Fusion to increase a stat on any Core
Use a Fast Travel station
Restored power to Pylon 512
Upgraded Joule's Energy Rifle
Find the Entrance to Pylon 512
Craft a Part
Completed the Granite Steps
Kill an Enemy by Color Matching
Leveled Up a Corebot
Perform an instant extract
Extract a Core from an enemy
Achieve a Combo of 20
Find all of Thomas Adams's Diary log book entries
Find all Hardware pickups in Lonely Basin after Pylon 512 is repaired
Complete all Hunting Challenges in one category
Find all of Violet's log book entries
Dig up 20 items using a K-9 Frame
Upgrade Joule's health to its maximum
Craft 50 Parts
Find all Prismatic Cores
Find all of Julius Roldán's log book entries
Complete Every Dungeon once
Find Every Blueprint set
Find all Hardware pickups in The Shifting Sands
Find all of Natalie Bright's log book entries
Complete ‘Devil’s Dance’ dungeon
Complete ‘Stockpile Surge’ dungeon
Complete ‘Needle Nest’ dungeon
Complete ‘Blast Canyon’ dungeon
Clear all objectives in ‘Devil’s Dance’ dungeon
Clear all objectives in ‘Stockpile Surge’ dungeon
Clear all objectives in ‘Needle Nest’ dungeon
Clear all objectives in ‘Blast Canyon’ dungeon
Clear ‘Tumbledown’ dungeon within 180 seconds
Kill an enemy corebot with a Lobb Shot that spends 3 seconds in flight
Kill 3 enemy corebots in less than 1 second with the Split Shot
Kill 3 enemy corebots in less than 1 second with the Chrome Shot
Find all Hardware Pickups in the Starving Sea