Music and sounds are cool. To avoid the music restarting each seen, start the music from the menu, and have the music start on a DoNotDestroy script (feel free to contact me if you need help with this). Have that script destroy before gameplay. Also, the gameplay music has a awkward pause at the start during game, trimming the music would fix this.
Full screen resolution would make the game easier to see. Mission states are incorrect, says I have started mission 1, 2, 3, 4 at the start of the game. All play buttons take you to mission 5. Build buttons don't work, even with enough proteins. So, I couldn't test the powers, nor the other missions. Green areas do not look like hazards, whilst the platforms do. I've included an image of an area in the mission. Player sticks to wall even without the power.
This enemy is extremely difficult to pass.