Hey,
I streamed your game last night! Overall, there's some comedic writing and nice art, but the game play itself is quite lacking.
While I enjoyed the presentation of your game, the combat quickly became quite mindless. This is thanks primarily to the fact that attacking is as simple as pressing the attack button and can be spammed rather quickly. Couple this flaw with your attacks going through multiple enemies at once and enemies only taking a single hit, it really doesn't matter how many enemies are on screen; whether it's 1 enemy or 100 enemies, they all die equally as quickly and therefore there is no challenge.
There is also some missing clarity in the design of the game. While the basic tutorial covered basic control like attack and move, not only is it easy for people to miss these tutorials and potentially not understand how to play, I also didn't see any sort of tutorial message for using your super skill. Having redundancies in place to ensure even the dumbest of drunk streamers would benefit the game and anyone who plays. On a similar note, the goal of each level wasn't entirely clear to me, with strange design choices that only muddy the clarity. The wall that auto scrolls made me think the game is a side-scroller where the goal is to reach the end of the level. The kill counter at the end of the level made me think the goal was to kill as many monsters as I possibly can within a given time frame. The grade system made me think the goal was to kill a specific number of monsters as quickly as possible. All of these elements contradict and make things unclear. I suppose the ultimate goal is the latter of those 3 contradictions, however, at the end of the third level I not only reached the "100" goal for the level that was written in a relatively small font shoved into the top right corner, but I surpassed it by 400 kills. I assume either one of these 2 things happened: Your conditional check accidentally has an extra 0 that shouldn't be there, or more likely your conditional check is checking for exactly 100 kills, when it should be checking for "equal-to, or great-than".
If you'd like to watch my experience with your game, I've linked the archive below. You can click the timestamps to jump to when I start playing your game.