Here is the full list of all 11 Transmissions: Element 120 achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Reunite two little gnomes.
Cut a zombie in half with a large object.
Find a way to get the magnum revolver.
Find all journals.
Find and decode all qr codes.
Smash two striders with shipping containers.
Complete chapter 4.
Complete chapter 3.
Complete chapter 2.
Use a special weapon to gravity jump.
Complete chapter 1.