Hello! Welcome to Feedback Quest 7! My name's Hythrain and I'm one of the hosts and one of the streamers for this event! This feedback is being written live as I stream your game! If you're interested in seeing my live reaction, let me know and I can send you a link to the VOD once it's posted to YouTube!
So my normal approach for any game in these events is simple: I get the game, make sure it's not a virus, then play it with as little information on how to play as possible. This way, I can judge how intuitively someone can figure out the game. Only if it's obvious that I need to read more will I do so. I note this so you can get a sense where some of these feedback comes from. In addition, I want to note that feedback and rating are different; don't use this feedback to gauge what I'll rate, nor should you view my rating as entirely indicative of my feedback.
Right off the bat, this game made me chuckle with how goofy it was. The old cartoon style works nicely.
That said, there were some issues I felt should be brought up as they'll help improve the game quality.
For starters, there's how fast the player falls. This combined with the control scheme can make it hard to land properly. This is made worse by issues with landing on corners: on enemies, landing on the end will bounce you away. On land, you don't get your footing and slip off. This can make it frustrating for players.
Second, I noticed a few spots where there should have been coins to telegraph a blind fall but there weren't any. There absolutely should be another pass to ensure none exist.
Third, while the wall jump mechanic is cool, I find that if adjacent walls aren't close enough, you can't gain any height. This is because the ability to gain and lose vertical momentum is much higher than horizontal momentum. In addition, before it's explained that you can wall jump it can just come off like a bug. My suggestions for fixing these are to make a new sprite that is used when sliding down a wall and to have the game force some horizontal momentum when jumping off the wall. You're already requiring the player to hold the direction away from the wall, so this should make larger gaps in walls be usable.
Lastly, I felt like the enemies with spikes on their backs should be kill-able with the mallet. I know the mushrooms are what's intended to be the enemy you kill with the mallet, but considering you can still kill them with a jump and escape the spores in the air I don't think it works as well.
Edit: I forgot! One thing I'd like to see is for the music to lean heavily into the old cartoon theme. The use of those old timey public domain bits was perfect, but then the music for stages just doesn't fit.
I can't wait to see more of this! I love Pouchie! XD