This is my first time participating in game jam and I'm just as worried as you are! Let's have a good time and enjoy developing the game!
Ive done os many of these its unreal but i delete them after because they are as we say "goofy"
Dont sweat it guys, honestly if you cant get something done dont worry about it. Especially in this game jam.
This is all about bugs and errors. Misalign stuff if you want. Just make it playable!
And as always. Happy coding :D