some of the old threads might help, However your like most of us on here it new and we just try things and see what happens.
Think of something you like to do in a game then work out how you think you can do it, If you get stuck then post away some of us on here might see away to do it.
You can try what I have been doing and that is to down load the SDK files run the demos then see if you can make DarkBasic ones like it.
I think someone done one on how to set up a vehicle, seek that one out.
Dark Physics makes any hot drink go cold.