Hey nice idea here!
Dual screen + dual controls => Dual fun!
It's a good picture of what I expected from Harold!
Sound design is well done, the gameplay as well.
The fact we can have multiple endings adds a lot of replayability!
There was variety in Harold mini-games and I appreciate that!
Just a con( won't affect many people I think):
For AZERTY keyboard users it's not easy to play ( our W is where you Z is, and our A is where your Q is). I know how to fix that issue by modifying the code, but think about implementing A & Q as 'left' button, and Z & W as 'up' button.
Good work Nowis! ( Finished the game once with Harold Moon )