How to get the Full House Achievement

To get the cool achievement Full House, a secret 🔑 achievement, you need to win with all of your pieces (white or black)

Now, it isn't checkmate with all your pieces just win. This can be checkmate, abandon, resign. 

it is pretty easy to get although checkmating would just be a scholar's mate basically. 

Peaceful victory is just a myth, but Full house is the most similar.