We’ve been hacking and slashing at Greek (and sometimes Norse) gods and monsters in God of War since 2005. To celebrate the launch of God of War Ragnarok, let’s take a look at the history of the series. We’ve been hacking and slashing at Greek (and sometimes Norse) gods and monsters in God of War since 2005. To celebrate the launch of God of War Ragnarok, let’s take a look at the history of the series.