How come I've never seen this game before on DD?
Screen transitions are cool. In audio visuals it feels like a complete game. However there are bugs and some design issues.
In the first stage, in the first fight zone thing the last enemy is covered by the HUD. In the same stage right after that is a softlock - after the first fight zone you go right, down and then left to another fight zone which never lets you out (or at least I don't know how). The companion insect behaves weirdly, it's like sometimes it spawns far away from you and it takes a while for it to come back. At stage finish screen the controls are inconsistent - starting the game has "start or enter", and the finish screen has "start" yet it doesn't accept enter but escape instead.
The controls are good by themselves but it feels like actions lack commitment. You can infinite wall jump while attacking just by spamming buttons, and spamming attack carries you through combat etc.. This might also be the reason some enemies (the spike producing worm things and bosses) and attacks are designed in a bit bullshit way with little telegraphing time, lingering hitbox and seemingly tight execution windows. The last two are fine as long as telegraphing is there. Right now it seems like the game is designed around memorization, and even then the game is still easy so far so you are encouraging player to brute force it without learning anything.
Second stage's boss shoots arrows that have larger hitbox than it looks - when you get to the opposite wall it looks like you just barely can make it, but it somehow hits you in the foot. The rolling attack was hard to avoid, but I would probably get the hang of it if I died some more instead.
In the third stage I managed to do something weird during slide (I interrupted it somehow) and got pushed down under the tiles and got stuck inside.
Except for those details the game seems to be in a releaseable state not counting content.
I'm not even sure if I played the exact megaman games it's probably based on, so I can't compare them.