Okay first of all congratulations on your game, next here are a few points you can do to make it super awesome and stand outside from the crowd.
- Make sure to check the scene loading as it seems like the game doesn't go to Level 3 even though it says Level Complete.
- The movement mechanics could be improved more.
- you can consider adding up more concepts and mechanics on top of it.
- Try changing the style of the game and add more sense to it.
- You can also change the looks of it and its sounds to make it feel good.