Use the arrow keys to move. Press 'z' to fire your laser.
This game may appear to be a simple space shooter, and it is. But there is one trick; lose once and you won't be able to play ever again! (unless you play it on a different account or tamper with in-game code.) Yes, unpolished space shooter. Shame me. But, my next project is (not) guaranteed to put a smile on your face. And it's coming out veeery soon.