My feedback for Inside Earth:
What your game does well:
Your game incorporates the theme 'inside out' with its setting.
The character's movement and attack actions felt good to do. The gameplay stayed fresh every time a new ability or item got introduced (like the air dash)
What your game doesn't do well:
The biggest issue with your game is the jump action. It is not responsive 100% of the time, and the level designs depend on it a lot. I found myself not being able to get out of areas for a long time because when I try to perform a double jump the game decided I couldn't perform the second jump. The success rate felt random, as I couldn't figure out the reason why.
1 smaller bug is the inverted gravity when the character gets close to a rooms origin point. The gravity will rotate itself increasingly fast.
Areas of Opportunity:
Once the player obtains their weapon, find a way to teach them how to use it. There was no explanation of how to use it found anywhere. I would have given up on attacking enemies if I didn't randomly click my mouse button. The quickest solution is to write it down in the game description. Another solution would be to put a UI bubble directly in the game.
I hope this feedback helps for your next game!