ドラゴンコレクション

"Dragon Collection" (ドラゴンコレクション) is a Japanese social network game developed by Konami and released on the GREE social networking platform in 2010. The game centers around collecting and strengthening monster cards, with players taking on the role of adventurers. They progress by completing quests, gathering treasures, and engaging in battles to increase their strength, with the ultimate goal of becoming a "Dragon Master." The game is set in a world called "Dragon Earth," where gods, humans, and monsters coexist. It has also spawned various media adaptations, including manga, arcade games, and a television anime. The manga adaptation, "Dragon Collection: Ryū o Suberu Mono," was serialized in Weekly Shōnen Magazine and released in collected volumes. The arcade game is a card-based battling game where players obtain physical cards. The TV anime tells the story of elementary school student Hiro Enryu who gets sucked into the game world and strives to become a Dragon Master to return to reality. The game incorporates elements such as attribute advantages, card rarities, and special skills, adding strategy and depth. It was once popular due to its unique gameplay and rich social interactions, but over time, its online services have gradually decreased, with some platforms having ended their services.