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