There’s no one answer to this question as it depends on a variety of factors, but it’s safe to say that saving the world on PlayStation 4 is not as easy as it seems. While there are many games and applications available that can help with this task, the most effective way to save the world is through activism and community work. This is where PlayStation 4 comes in - its capabilities make it an ideal platform for social movements and activism. One such game that has been used to help people save the world is “The Last of Us” from developer Naughty Dog. The game has been used as a tool for teaching people about global warming, climate change, and other environmental issues. It also allows players to interact with other players online in order to work together towards common goals. While there are many games out there that can be used for this purpose, “The Last of Us” is by far the most successful example. It has been played by millions of people around the world, and it shows no signs of slowing down anytime soon.