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