Here is the full list of all 35 Koi-Koi Japan Hanafuda playing cards achievements.
Complete "Light Four" Yaku.
Complete "Red Ribbon" Yaku.
Complete "Blue Ribbon" Yaku.
Defeat opponent for the first time.
Complete "Cherry Blossom and Cup" Yaku.
Complete "Light Three" Yaku.
Complete "Moon and Cup" Yaku.
Call Koi Koi, form a new Yaku, and call Stop.
Form 3 Yaku or more in 1 round.
Earn 10 points or more with 1 Stop.
Complete "Rain Light Four" Yaku.
Quit Tutorial Mode.
Call Stop after your opponent calls Koi Koi.
Form 5 Yaku or more in 1 round.
Earn 20 points or more with 1 Stop.
Win 10 times.
Win 100 times.
Win 500 times.
Get 5 successive wins.
Get 10 successive wins.
Complete "Boar, Deer, Butterfly" Yaku.
Complete "Red and Blue Ribbons" Yaku.
Complete "Light Five" Yaku.
Complete "Boar, Deer, Butterfly" Yaku 5 times.
Complete "Light Three" Yaku 10 times.
Complete "Light Four" Yaku 10 times.
Complete "Light Five" Yaku 10 times.
Complete all Yaku.
Defeat opponents from all areas in Collection Mode.
Collect each variety of postcard.
[Multiplayer]Quit Tutorial Mode.
[Multiplayer]Defeat opponent for the first time.
[Multiplayer]Win 10 times.
[Multiplayer]Win 100 times.
[Multiplayer]Earn 20 points or more with 1 Stop.