The free online Lucky Koi slot machine is a video game made by Microgaming, and it has 5 reels with 3 rows, and 25 modifiable pay-lines. The Lucky Koi slot machine game has a decent design and a background of a pond filled with fish, obviously inspired by the Japanese culture and beliefs. This slot is similar to Dolphin Quest.
The koi carps, after whom this slot got its name, are highly valuable in Japan because they are believed to bring good fortune to their owners. Also, the music and sound effects successfully bring you the experience of feeling like you are in Japan.