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