Tennis no Oujisama - Driving Smash! Side King - Platform: Nintendo DS

Password mode:
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From the main game menu (i.e., after you press start but before you load or 
begin a new game) select the last option in the list. You should now have six 
options. Pick the one on the bottom right, and you'll be in the password entry 
screen. Type in the password you want, and then either press start, or tap the 
red button at the bottom right of the touch screen.

Password   Effect
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aa3quyih - Character Voice Message: Atobe Keigo 
vq8n3q0p - Character Voice Message: Chitose Senri 
4eismwen - Character Voice Message: Echizen Ryouma 
tme2pwgp - Character Voice Message: Echizen Ryouma 
fbn064zm - Character Voice Message: Echizen Ryouma + Mascot Hand: Santa's Bag 
f0nqqw4n - Character Voice Message: Fuji Shuusuke 
ayxvx97n - Character Voice Message: Fuji Shuusuke 
m1d7uswd - Character Voice Message: Kikumaru Eiji 
y7w0xaac - Character Voice Message: Momoshiro Takeshi 
fhabk1dt - Character Voice Message: Oshitari Yuushi 
m7dp2hwp - Character Voice Message: Shiraishi Kuranosuke 
6sz2se54 - Character Voice Message: Tezuka Kunimitsu 
9vxqub6m - Mascot Clothing: Overcoat 
ywz2nur6 - Mascot Clothing: Winter Casual (Tezuka): Lower 
k0z5jbvq - Mascot Clothing: Winter Casual (Tezuka): Upper 
cnuzcds4 - Mascot Clothing: Winter Casual (Yukimura): Lower 
nzpzkjdn - Mascot Clothing: Winter Casual (Yukimura): Upper 
sn60er4k - Mascot Hand: Bouquet of Roses 
n4pvkrie - Mascot Hand: Present 
rtyc6ms2 - Unlocks playable character: Akutsu Jin 
jjvm1ut7 - Unlocks playable character: Atobe Keigo 
wpi9iauu - Unlocks playable character: Kirihara Akaya 
tz1kjz5n - Unlocks playable character: Oshitari Yuushi 
pc47g62d - Unlocks playable character: Sengoku Kiyosumi