Awesome job! Especially considering you did this solo and it's your first game.
I have a soft spot for rogue-likes so I definetly liked this one and the upgrade system (though they are a bit unbalanced, 5% movespeed vs additional jump).
I REALLY enjoyed the music, great job on that one. Sounds for dialogs were well made and implemented. I was really pleasantly surprised when on the second try the narrator had different voice. I liked the chromatic abberation though it was a bit too much at times (on the first level after tutorial it is always very strong in the middle)
I think it should be mentioned in game that holding space makes you jump higher.
I did unfortunately encounter some bugs which I will list seeing that you intend on polishing the game further :)
- the health regeneration perk did not seem to work
- the dash also didn't seem to work after picking it up
- one time on a later try when I was spamming right click and space to skip tutorial as I've seen it already, the second tutorial level seemed not to trigger dialogue and I had to restart
- At the start of the first actual level hp display is wrong (e.g. it showed 10/100) until you get hit
- I suppose falling is not supposed to kill you, but you can sometimes see your hp going under 0 before resetting to 1 after falling
And it's not a bug but I found it funny that when I picked up the seeker upgrade in the tutorial and looked away from the screen for a bit, then when I came back there was a nice little seeker-fort in the middle
Also, I'm definetly the first kind of person :P