Now They Shoot Back!

I just put out the latest update for Salvage including the new Mortar Fire enemy.  This machine rotates across the screen stopping to send a volley of explosive mortar fire raining down.  It's a heavy opponent just like the Pulse enemy, so it'll take 4 shots to take them down.  

Summary of Updates:

- New Mortar Fire Enemy 

- Faster sand trail particle drop for smoother trails with less breaks.

- New preference and high score system, allows for cross-version score and preference saves (unfortunately this will also clear all current recorded high scores)