Funny thing to mention, but the First few version’s of Void Train (one of my favorite “sandbox game”) that I got free by Epic Games [sometimes the Free games that you can get from there is amazing], featured a story/starting point where you technically against/killing Nazi’s ?
Unfortunately they updated this feature out, and now you killing soldiers or mercenaries? Idk tho… The game changed so much to
For No Reason in Particular Here's a Bunch of Games Where You Kill Nazis (hard-drive.net) angielski