Hi, Thank you for playing, I'm glad you liked it :)
I designed the game so that the skills are introduced progressively, and at what I think is the right moment (heal after big fight, AOE just before encountering many enemies), but I got feedback that the game becomes too challenging too soon. Just like with the speed of your ship, I thought that the difficulty of my game was ok when I played it during development.
Lesson learned: if the game that I'm making seems ok but a bit challenging, it's probably too difficult for the ones who will try it. I wish I had time to create more powerful enemies for the end game, because right now it might be quite difficult at the beginning and too easy at the end.