Brainstorming is usually the first thing you do in a game jam and so I was wondering if everyone has their concept figured out.

Depending on what "you want to do" in the jam determines how you should approach it.

Want to develop a solid game? 

Really you should always strive for a solid game but the newer you are the more daunting this can be. Dont worry everyones code is spaghetti at first. Or is it just mine?

•  Anyways make sure your scope is small enough you can finish the mechanics in good time so you can focus on polishing the game. Its looks, its feel, all aspects take time so dont forget to account for it. If you think it'll take you 2 days, assume it'll take you 4 to finish in order to give yourself good time.

Want to learn and have fun? 

Honestly i hope you all manage to do this regardless but as someone who learned from game jams heres my word of advice.

• Find something you want to learn. Make the use simple enough you can focus on getting it right and really learning it. No need to be too fancy or you'll over-scope. Trust me. I'm infamous for it lol.
• Brand new? I found a good starting point in platformers (2D) or exploration style games (3D) but thats my opinion.

Whatever the case is never feel you can't ask for help or advice.