Nice game, and the visuals are nice too!

I love the fact that you made it a .rar instead of a zip. For that extra pirate vibe.

It is a fun little game but you should be a bit careful when it comes to warning the player of danger. The main problem right now are the fishman. Since they spawn with no warning. The cannon balls have the same problem but they aren't as bad since you can easily avoid them by just hanging around on the left side of the map.

The explosion event has true potential! The event would be much more interesting if you just spawn more bombs so that the player has to clear them away to create a little safe space.

Keep improving on little stuff like that and your game will have a bright future :)