how to unlock new players in Mario slam Basketball
If you unlocked every one though out the game sorry their are no one you can unlock.
You have to unlock every staff ghosts, unlock every characters, unlock every karts and bikes, unlock every cups in all of the engine classes, get all the cups at least one star or more, and also unlock mirror and win that engine class.
You start off with every character. There are no secret characters to unlock.
you can become a basketball player by practicing every day. you can also by signing up for basketball. if you are a basketball player you have to be at least from 1.54 to 2.10 of height .
you try to get gold on every cup on every prix to unlock all the carts
Get 3 stars on every cup in nitro on 50ccc
Michael Jordan
You unlock the Mirror tracks by winning all 150CC cups.
They play basketball in a basketball court for your information.
Unlock all fast staff ghosts and achieve a 1-star rank on every cup.
10 points
You must complete every Episode 7 in every stage. That is basically, All the Shadow Mario Stages.