Practice for Brackeys Game Jam

So I will participat at Brackeys Game Jam and I am really excited because it´s my first one... The problem is I am not a good programmer, artist or musician... but of course I will try my best. I have already voted for the theme "alone but togther" or something like that and I have a pretty good idea for a Game if this theme gets the most votes. 

Do you participat at the Jam? And if, for what theme did you voted and what is your idea for a game?