Left and right steer you. Consuming your scales will help sustain you but your own thorny defense can be your undoing. The path you take now will be barren next year and your end is inevitable; avoid the painful memories of the past and choose the time of your own demise if you want a good score.
The source Unity files require the latest version of Unity and take advantage of some Pro features.
I love this - and have already lost more time on it than I should on a work day :) Great work!
Very nice. Took me a while to figure a way to get a positive score.