Here is the full list of all 35 Call of Duty: Black Ops II achievements. It takes around 30-35 hours to unlock all of the achievements on Windows.
Use a future weapon in the past.
Only one can survive.
Plastic surgery avoided.
Stop the brutality inflicted by the PDF.
A duel between rivals.
Successfully rescue HVI.
Stop Menendez once and for all.
Complete all future levels in veteran.
Escort the president to the secure location in downtown LA.
Jailor or executioner.
Interrogate Menendez.
Reinforcements on the way.
Crack the celerium worm.
Capture Menendez.
Successfully assassinate SDC Chairman Tian Zhao.
Capture Manuel Noriega and bring him to justice.
Complete "Pyrrhic Victory", "Old Wounds", "Time And Fate", and "Suffer With Me" in Veteran.
Complete a level with customized loadout.
There are two futures.
Listen and think before you shoot.
Find the Karma weapon.
Successfully escort the VIPs to safety.
Gather information on Raul Menendez' suspected terrorist plot.
Take down Menendez and his operation.
Successfully neutralize the SDC freighter at Keppel Terminal.
Successfully defend FOB Spectre from incursion.
Gather intel on Raul Menendez from Mullah Rahmaan.
Investigate the jungle facility.
Complete all challenges in Black Ops II.
Rescue Woods.
Complete all challenges in a level.
Complete the campaign on Hardened or Veteran difficulty.
Collect all intel.
Minimum score of 10k in every mission.
Complete 1 challenge in any level.