Madoka Etoile

puzzle game based on anime Puella Magi Madoka Magica
typical "connect four of same orb to make it dissapear" puzzle game
of course, it also have some different and unique feature 

Doki Doki Panic Library

puzzle game with To Heart 2 characters

Porindama Online

Puyo-Puyo style puzzle game with Ragnarok Online theme

Touhou Rinrouka - Entirety Spell Timbre

play a fun and addicting puzzle game, with characters from touhou series