Here is the full list of all 29 STAR WARS: Dark Forces Remaster achievements.
Enter the Sewer
Find some evidence of the Dark Trooper
Pickup the Infrared Goggles
Find and restart the hydro-electric power generator
Return to your ship on the roof of the base
Steal the Death Star plans
Destroy a Mouse Droid
Find the arms dealer Moff Rebus
Pickup Code Key 5
Obtain a sample of the metal used in Dark Trooper production
Set a sequencer charge on the reactor
Destroy the Phase 01 Dark Trooper
Rescue Crix Madine
Place a tracking device on the smuggler’s ship
Blow up the Robotics Facility
Find the Ice Cleats
Find Imperial Navigational Evidence
Defeat a Kell Dragon with your bare hands
Find your gear
Rescue Jan Ors
Locate the Nava Card
Locate the I.S.O building
Break into the vault & use the Nava Card
Defeat Boba Fett!
Destroy the Phase 02 Dark Trooper
Hijack the smuggler’s ship
Reach the cargo shuttle bay
Defeat General Mohc!
Destroy the Arc Hammer