Here is the full list of all 35 Call of Duty: WWII achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Complete the game on Veteran difficulty.
Protect the convoy by shooting down all the planes in The Rhine.
Breach the seawall in under two minutes without taking MG fire.
Rescue your allies with the Sherman while keeping your armor above 80%.
Complete the driving portion of S.O.E. without hitting any obstacles.
Collect all 33 mementos.
Save 8 allies locked in struggle.
Protect the bombers by personally shooting down 12 enemy planes.
Cover Zussman from the church without missing a shot in Stronghold.
Disable 50 enemies using smoke grenades.
Drag 10 allies to safety.
Get 6 groups of enemies to surrender.
Request Aiello to toss you signal smoke and call in mortar strikes 10 times
Request Pierson to spot enemies 25 times.
Sneak through the Dragon's Teeth undetected in Death Factory.
Request Stiles to toss you grenades 15 times
Request Turner to toss you ammo 20 times.
Protect your tanks by shooting down all planes in Operation Cobra.
Reach the sniper perch without being detected in Ambush.
Request Zussman to toss you First Aid Kits 30 times.
Successfully escort the pole charge engineer to the pillbox in Hill 493.
Sneak through the courtyard undetected in Liberation.
Save 5 allies by throwing away a live enemy grenade.
Complete the campaign.
Complete Ambush.
Complete Battle of the Bulge.
Spend 3 minutes using Focus in the campaign.
Complete Hill 493.
Complete Death Factory.
Complete Collateral Damage.
Complete Liberation
Complete S.O.E.
Complete Stronghold.
Complete Operation Cobra
Complete D-Day.