The Order of the Holy Grail is a free Android game developed by R.O.App. It is an easy-to-play and authentic dungeon quest RPG that allows players to explore dungeons and fight automatically without complicated controls. Players can search a dungeon for five minutes at a time, which makes it perfect for those who want to play during their available free time.

The game offers over 1000 items to discover inside the dungeons, which allows players to power up according to the number of items they gather. Additionally, players can build a combination by choosing from 12 knights, each with their own individual personalities and items, to create a unique party. The game also offers a storyline for the quest of the Holy Grail, which is enjoyable for players who love games with hack and slash.

The game is recommended for people who enjoy games with hack and slash. It is free to play, and there are no charges for playing this game. Players can enjoy gameplay for free all the way to the end. Material producers include Whitecat/hipoya for item icons and Stephen Lu (Battle)/suenobu(Town)/koorogi(Boss battle) for music.