From holzmarkt onward it's missing saves, because game only allows to make 16 save slots.
Savefile path: C:\Steam\steamapps\common\SniperElite\Prof

segmented savefile

GOG (and potentially retail) version of the game has a glitch when disabling bullet time camera, some enemies are still triggering it, even when the effect is disabled in game options.

Steam version

Skajdrovski

Sniper Elite

Anhalter Station

Nordsig HW Plant

Custom

Rookie

Cadet

Marksman

Choose on which difficulty your run was played.

Difficulty

spartaque12