This is fun! Definitely hits that retro vibe you were going for. One thing that's a little frustrating is it's hard to get power on a shot near the edge of the map, as you can't pull your mouse back far enough without exiting the game window. Good stuff otherwise!

This is fun! Only improvement I would suggest is something to make it clearer that the fish are enemies, on my first try I thought you were meant to run into them

super polished for a first game! High score tracking would be nice, I see you have it listed