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