Kongai is a multiplayer collectible card game in which two players duel using decks of cards that they build and customize. The game involves strategic decision-making, deck management, and tactical gameplay to outsmart the opponent. In this game, the setting revolves around a competitive environment where players face off in card battles, with the game being accessible through web browsers and PC platforms. It has a history of closed beta testing phases and ongoing updates that introduce new cards and challenges. It stands out with its unique blend of strategy and collectible card mechanics, along with its community-driven efforts to keep the game playable despite technical issues caused by the discontinuation of Adobe Flash. The game emphasizes skill-based gameplay, deck customization, and competitive ranking, making it appealing to fans of strategic card duels.