If you can look past the repetitiveness of the missions, you can play right through the story line and get yourself up to speed on the story of Attack on Titan without having to watch all of the anime, and while killing titans may get a bit old, swinging through the city and mastering the ODM never does.
Unfortunately what I got was a bit of hit and miss, where some aspects of the game are great, some are not so great and others just left me scratching my head. Let me just say that PixArk has the potential to be a great game, it just needs a bit more time in the oven.
If some side scrolling beat-em-up action is what you are craving, then Raging Justice will provide you with what you need. It is a good looking and fun way to pass the time and take out some aggression, and if you are finding the difficulty a bit too much for yourself, you can always bring in a friend to help you pound some thugs.