2nd GameJam: Hoping for a good theme 1 0

This is my second GameJam ever, and second Alakajam. My first one i came about 40th, im hoping to best that this time.
I will be using:
Unity - Engine
Photoshop - Graphics
Blender (if i go for a 3D game)
Bosca Ceoil - Music

My top three themes are:
Alone in space
Thievery
No UI