Monster Rancher Battle Card GB, known in Japan as Monster Farm Battle Card GB (モンスターファームバトルカードGB, Monsutā Fāmu Batoru Kādo GB) is a handheld game released in 1999 for the Nintendo Game Boy Color system. It is the first game in Tecmo's Monster Rancher Battle Card series, featuring a card game incorporating the popular characters from the Monster Rancher series. It was followed by Monster Rancher Battle Card Episode II for the Sony PlayStation entertainment system which featured additional monsters.