Brown Dust is a free-to-play turn-based RPG game developed by NEOWIZ Corporation for iPhone users. The game features a new mythology mercenary, Isolde, who was once the leader of the Templars and now joins the game as a mythical mercenary. The game also offers a new and improved Jumping Quest that allows players to build a GOAT formation and receive four legendary mercenaries, legendary skill books, legendary support selector, and five-star support selector.

Brown Dust introduces a new Spell Card system that adds more strategic depth and fun to battles. The game offers over 300 mercenaries with unique skills that players can collect and combine to create various strategies. Players can experience endless strategic battles in different modes, including Campaign, Scenarios, Devil's Castle, Arena, Underground Arena, Guild battles, and Rune Temple. Brown Dust also boasts of high-quality illustrations of over 300 characters, with more than 100 different character voices.