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