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