Deluxe Mushroom Cultivation Kit Extreme is a game that allows you to grow mushrooms. This game is an upgraded version of the "Mushroom Cultivation" series. It boasts over 700 types of mushrooms to collect, and the game has added three new types of logs and rare mushrooms.

The game's cultivation screen has been completely updated, and new cultivation effects have been added, making harvesting mushrooms even more satisfying. There is also a new feature where players can "lock" the mushrooms they grow, making it easier to collect the medals that are awarded for collecting them. The game also includes a convenient "Illustrated Handbook" that shows the collection rate of mushrooms.

This app can be downloaded, installed, and played for free, but it includes additional paid items. Although the game can be played without an internet connection, some features, such as "purchasing items" and "the butler's secret items," require an internet connection.