The Absolution Add-on for Call of Duty: Infinite Warfare has 8 achievements.
In Attack of the Radioactive Thing, complete Skullhop.
In Attack of the Radioactive Thing, listen to all of Willard’s personal recordings.
In Attack of the Radioactive Thing, recover the piece of the Soul Key.
In Attack of the Radioactive Thing, restore and use all traps.
In Attack of the Radioactive Thing, assemble the M.A.D. (Modular Atomic Disintegrator).