Create an alien race that humans would have a hard time acknowledging.
Tag: race
One Common Ancestor
Brainstorm ideas for races that all have one common ancestor. It can be something like Star Trek where many races come from colonies earth sent out earlier. It could be aliens seeding their own genes in other races. It could be one great race that wondered before the beginning of time and created other races out of their transgressions.
Battle for Earth
Create a world where earth is at war with another race, make sure that the war is a losing battle for earth.
What is the other race?
Why are they a danger?
What is their weaknesses and strengths?
What would you plan to happen when this world continues on?