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