Being unknown

Hello
I've been making this game for over a year. It changed a lot as I was learning all the time. It still isn't perfect. It's far from it and I know it. I'm giving it to you for free to have fun and eventually tell me how you feel about it. I will appreciate every honest opinion and please tell me if you'd like to play full version of it. For now I'm a little tired and don't know if it's worth developing further.

To make it sound a little more optimistic. I'm super excited I can show you this game. I'm proud how it changed over the year. I hope you'll have fun playing it!

Controls (as they aren't mentioned in game, sorry!)
AD - movement
W/Space - jump
LMB - shoot energy / shoot item (when hold)
RMB - pull item from ground (if you have enough energy) / drop item
E (hold) - heal (if you have full energy container)

After beating boss there's nothing more to do, sorry again!

Music by Aurorae

NOTE
Why is it "Pay what you want"? I can't sell it. It's too imperfect. But if you want to it's the only way to say a little "thanks".