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