7 or 8 More Ways to End the World

A collection of short science fiction, each touching on a different world-ending scenario. The characters are diverse and the stories vary wildly, but each asks the question: What will it mean for the world to end, and at what point are those endings just new beginnings?
Stories presented in this collection:
Dog
The Door
Higgins
Pong
Blood Sea
Starship
Rover
Reboot