This seems like a lot to do…
I feel like you don\’t realize how much it takes to code
You should maybe focus on one of the ideas and do that, which will take around 200 days to a year if fully fleshed-out. Then you can move on to the rest.
Not saying it\’s impossible, just don\’t you think it\’s a little over-ambitious, especially if you\’ve never made a game before?

Side note: What coding language do you plan on using?