Here is the full list of all 42 The Signal From Tölva achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Scan a Ghost
Hand in all non-endgame missions
Unlock all weapons
Reach Rank 6
Spend 10 minutes in mazes
Reach Rank 5
Scan 40 Bandits
Scan 50% of data snoopers
Scan a shuttle
Reach Rank 4
Collect 200 resource fragments
Hand in 10 missions
Kill a Surveyor
Control half of Tölva's bunkers
Reach Rank 3
Scan the Treadlight Freighter
Kill a Spider
Kill a Killer Drone
Reach Rank 2
Kill a Data Interpolator
Hand in 5 missions
Collect 100 resource fragments
Reach Rank 1
Unlock the command module
Control 4 bunkers
Melee'd something
Capture your first bunker
Scan your first data snooper
Scan all data snoopers
Claim every bunker in Tölva
Activate every marker beacon
Collect 400 resource fragments
Scan 40 Surveyors
Scan 40 Zealots
Scan 200 bots
Scan the Zealot Frigate
Spend 30 minutes in mazes
Spend 60 minutes in mazes
Recruit 10 different bots
Recruit 50 different bots
Recruit 150 different bots
Visit all regions