Are they any game where you play and at the end find out you are some genocidal, children killing fuck and the police and government were the good guys all along?

Like yea they controlled the limited resourced because the resources are fucking limited. Otherwise some genocidal, children killing fuck like you will try take it all for themselves and kill anyone trying to stop them

In monster train you lead the demons against the angels, but the angels are assholes about it. In MT2, angels and demons team up to fight against titans.