It's a game for a week long jam, what do you want me to do? Rent a sound studio? And psychological horror is one of its aspects not the only one, have you even played the game?
Yeah, that's why I'm making the damn comment!
Then, please, enlighten us on how there's no psychological horror in it, especially the ending when the plot is not far from works like
SPOILER
Robert De Niro's Hide and Seek and Secret Window Secret Garden which are classified as psychological horror works
