Here is the full list of all 55 H-SNIPER: World War II achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Unlocked Girl-soldier card!
You have killed 50 enemies.
You have killed 49 enemies.
You have killed 48 enemies.
You have killed 47 enemies.
You have killed 46 enemies.
You have killed 45 enemies.
You have killed 44 enemies.
You have killed 43 enemies.
You have killed 42 enemies.
You have killed 41 enemies.
You have killed 40 enemies.
You have killed 39 enemies.
You have killed 38 enemies.
You have killed 37 enemies.
You have killed 36 enemies.
You have killed 35 enemies.
You have killed 33 enemies.
You have killed 34 enemies.
You have killed 32 enemies.
You have killed 31 enemies.
You have killed 30 enemies.
You have killed 29 enemies.
You have killed 28 enemies.
You have killed 27 enemies.
You have killed 26 enemies.
You have killed 25 enemies.
You have killed 24 enemies.
You have killed 23 enemies.
You have killed 22 enemies.
You have killed 21 enemies.
You have killed 20 enemies.
You have killed 19 enemies.
You have killed 18 enemies.
You have killed 17 enemies.
You have killed 16 enemies.
You have killed 15 enemies.
You have killed 14 enemies.
You have killed 13 enemies.
You have killed 12 enemies.
You have killed 11 enemies.
You have killed 10 enemies.
You have killed 9 enemies.
You have killed 8 enemies.
You have killed 7 enemies.
You have killed 6 enemies.
You have killed 5 enemies.
You have killed 4 enemies.
You have killed 3 enemies.
You have killed 2 enemies.
You have killed 1 enemy.