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