i think the menu glitched. first it worked. then i realised i am playing wrong and when i reloaded the menu did not responded on my clicks (hover was active)

Mm, planets exploded after a while, not sure how I sould make their health go up since their requirements were 0. A bit confusing but nice graphics and minimap!

Sometimes I got stuck with a set of planets where some planets required something that none of the others had. But this is a fun idea.