Chemistry

Chemistry is a new feature in the Mario sports titles that is so far exclusive to Mario Superstar Baseball. It extensively sparks the relationships between the different characters in the Marioverse and puts them to good use. Good chemistry occurs when a player throws a ball to his/her buddy, the ball travels faster than a normal throw would; it would glow purple and leave a purple trail, and the character throwing the ball would cry out happily. Chemistry's uses are even more useful because a player hits better when one of his/her buddies are on base. Positive chemistry is symbolized by as musical note. Unfortunately, there is also bad chemistry. When a character throws the ball to another character he or she has problems with or just doesn't like, the ball travels much slower and in a slanted direction than where the ball was directed to. Bad chemistry is symbolized by a black squiggly line that resembles a tornado and the character throwing the ball would cry unhappily. Luckily, if a character that has bad chemistry with the one who's batting will not affect him/her. Bad chemistry will nearly always result in a messed up play and allowing the opposing team to score and/or advance on the bases.

Although, just as good as chemistry can be, a huge majority of the fans who played the game critisised it negatively due to many characters lacking obvious chemistry with other characters. Below is a list of the characters who are buddies with who and who should've been buddies with who as speculated by the fans (not all characters have speculated buddies):

Mario

 * Luigi
 * Peach
 * Yoshi

Speculated Buddies:
 * Daisy
 * Toad
 * Toadsworth
 * Baby Mario
 * Baby Luigi
 * Noki
 * Pianta

Luigi

 * Mario
 * Peach
 * Daisy

Speculated Buddies:
 * Toad
 * Baby Mario
 * Baby Luigi

Peach

 * Mario
 * Luigi
 * Daisy
 * Toad
 * Toadette
 * Toadsworth

Speculated Buddies:
 * Baby Mario
 * Baby Luigi

Daisy

 * Peach
 * Luigi

Speculated Buddies:
 * Mario
 * Toad
 * Toadette
 * Baby Mario
 * Baby Luigi

Yoshi

 * Mario
 * Birdo
 * Baby Mario
 * Baby Luigi

Speculated Buddies:
 * Toadette

Birdo

 * Yoshi
 * Shy Guy
 * Petey Piranha

Wario

 * Waluigi
 * Boo

Speculated Buddies:
 * King Boo
 * Magikoopa

Waluigi

 * Wario
 * Magikoopa

Speculated Buddies:
 * King Boo
 * Boo

Donkey Kong

 * Diddy Kong
 * Dixie Kong
 * Petey Piranha

Diddy Kong

 * Donkey Kong
 * Dixie Kong
 * Goomba

Speculated Buddies:
 * Paragoomba

Bowser

 * Bowser Jr.
 * Hammer Bro.
 * Dry Bones
 * Koopa Troopa
 * Paratroopa

Speculated Buddies:
 * Boo
 * King Boo
 * Magikoopa
 * Goomba
 * Paragoomba

Bowser Jr.

 * Bowser
 * Hammer Bro.
 * Magikoopa

Speculated Buddies:
 * Boo
 * Dry Bones

Toad

 * Peach
 * Toadette
 * Toadsworth

Speculated Buddies:
 * Mario
 * Luigi
 * Daisy
 * Other Toads

Toadette

 * Toad
 * Toadsworth
 * Peach

Speculated Buddies:
 * Daisy
 * Yoshi

Toadsworth

 * Peach
 * Toad
 * Toadsworth

Speculated Buddies:
 * Mario
 * Luigi
 * Baby Mario
 * Baby Luigi

Goomba

 * Diddy Kong
 * Paragoomba
 * Monty Mole

Spectulated Buddies:
 * Bowser

Paragoomba

 * Goomba
 * Monty Mole
 * Paratroopa

Speculated Buddies:
 * Bowser
 * Diddy Kong

Dixie Kong

 * Donkey Kong
 * Diddy Kong

Baby Mario

 * Yoshi
 * Baby Luigi

Speculated Buddies:
 * Mario
 * Luigi
 * Peach
 * Daisy

Baby Luigi

 * Yoshi
 * Baby Mario

Speculated Buddies:
 * Mario
 * Luigi
 * Peach
 * Daisy

Boo

 * King Boo
 * Wario

Speculated Buddies:
 * Waluigi
 * Bowser
 * Dry Bones
 * Petey Piranha

King Boo

 * Boo
 * Petey Piranha

Speculated Buddies:
 * Wario
 * Waluigi
 * Bowser

Dry Bones

 * Bowser
 * Koopa Troopa

Speculated Buddies:
 * Bowser Jr.
 * Hammer Bro.
 * Boo
 * Paratroopa
 * Other Dry Bones'

Koopa Troopa

 * Paratroopa
 * Bowser
 * Dry Bones

Speculated Buddies:
 * Hammer Bro.
 * Magikoopa
 * Other Koopa Troopas

Paratroopa

 * Koopa Troopa
 * Bowser
 * Paragoomba

Speculated Buddies:
 * Dry Bones
 * Other Paratroopas

Hammer Bro.

 * Bowser
 * Bowser Jr.

Speculated Buddies:
 * Dry Bones
 * Fire Bro.
 * Boomerang Bro.

Magikoopa

 * Boo
 * Waluigi
 * Bowser Jr.

Speculated Buddies:
 * Bowser
 * Other Magikoopas

Petey Piranha

 * King Boo
 * Donkey Kong
 * Birdo

Speculated Buddies:
 * Boo

Monty Mole

 * Goomba
 * Paragoomba
 * Shy Guy

Pianta

 * Noki

Speculated Buddies:
 * Mario
 * Other Nokis

Noki

 * Pianta

Speculated Buddies:
 * Mario
 * Other Nokis