Idk how it's regulated here, but during Ludum Dare you are allowed to make some little changes after submission, especially if it's like a crucial bug.
Smart person. Yes there are two paths you can take there. The rock path unlocks two endings and the hidden path unlocks one.
I hope you enjoyed it I had fun putting it together. I've actually been thinking of taking this game slice I made and making a full game out of it. Do you think that's a good idea?