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