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