Thunderbolt - Collision of times

I wrote this a few years back. I wanted to see what it took to push a game through to completion. (Short answer: A lot of time and work.) The game is inspired by classic arcade shoot-em-ups. Its not bullet hell, rather its one-hit-and-die with game play and difficulty balanced accordingly. If you get a feel for the different enemy firing patterns, and how to take advantage of the slow turning speed of enemy turrets then you can last pretty well even on hard mode. I had plans for a story line inv...