Yep. There was indeed a fourth film. It was called Shrek Forever After, also known as Shrek: The Final Chapter. Well, it was going to be the final chapter until they decided, "Hey, let's make another one." The fourth movie came out nine years ago.
It is you who are silly little children. And not all Nazis are Germans. Nazism is not a people. It is an idea. And you are the ones who are uneducated. Your offending ignorance proves it. You can keep fighting back, because I have already won.
The Metro series does not deserve to be murdered by its so-called fans because of the actions of one video game publisher. Please, save the metro; and put a stop to the SJW review-bombing before it is too late. Silence the SJWs. Remind them that their voices have already been heard, therefore nothing will turn to their favor.