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