>Mushroom Cup (and 3 road trips in between tracks)
Mario Bros. Circuit
Crown City
Whistletop Summit
DK Spaceport
>Flower Cup (plus 3 road trips)
Desert Hills
Shy Guy Bazaar
Wario Stadium
Airship Fortress
>Star Cup (plus 3 road trips)
DK Pass
Starview Peak
Sky-High Sundae
Wario Shipyard
>Shell Cup (plus 3 road trips)
Koopa Troop Beach
Faraway Oasis
Crown City (yes, it appears a 2nd time)
Peach Stadium
>Banana Cup (plus 3 road trips)
Salty Salty Speedway
Boo Cinema
Toad's Factory
Peach Beach
<These aren't the actual Banana Cup tracks, but they were all mentioned in the Nintendo Direct. Since I don't know which cup they belong to, I'll just group them together here for now.
>Leaf Cup (plus 3 road trips)
Track #1
Track #2
Track #3
Track #4
>Lightning Cup (plus 3 road trips)
Track #1
Track #2
Track #3
Track #4
<One of these is probably the obligatory Bowser's Castle track
>unlockable (this is probably the Special Cup)
Rainbow Road
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My side notes:
Every cup has 4 race tracks and 3 road trips.
There are 7 cups. This means 28 tracks and 21 road trips in total.
If you add Rainbow Road, this game has at least 29 tracks. Maybe more if the Special Cup has 4 tracks too.
The map also shows at least 29 different locations.
Let's pretend that every Track counts as 1 point.
And in each cup, you take 3 short roadtrips. So let's say these 3 roadtrips put together count as 1 point. (Since they're basically the "5th" race in every cup.)
This means that every cup is worth 5 points (4 tracks + 3 short roadtrips).
7 x 5 = 35 points.... or 36 points if you add the Rainbow Road track.
If you divide $80 by 36, that means you pay $2.22 dollars per Track.
And that's not even counting the huge open world you can explore, and all the other side content mentioned in the Nintendo Direct.
I ain't justifying that $80 price tag, but you do get some bang for your buck.