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.
Find and decode all qr codes.
Find all journals.
Smash two striders with shipping containers.
Complete chapter 4.
Complete chapter 3.
Reunite two little gnomes.
Cut a zombie in half with a large object.
Find a way to get the magnum revolver.
Complete chapter 2.
Use a special weapon to gravity jump.
Complete chapter 1.