Controls, up arrow moves you up and d arrow is down and w is to fire. On mobile click the screen up and down to move up or down and tap on the ship to fire at it two modes- endless and regular(where the boss has thirty health and you have only one life) Squid provides health boost in endless mode
V2-fixed bugs and added endless mode V3- Fixed bugs in endless mode V4-made the game mobile friendly https://scratch.mit.edu/projects/744658099 My other project which I recommend checking out
