Knights' Kingdom ROM Download for Gameboy Advance (GBA) on Emulator Games. Play Knights' Kingdom game that is available in the United States of America (USA) version only on this website. Knights' Kingdom is a Gameboy Advance emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Lego Knights' Kingdom, Kingdom Hearts - Chain Of Memories and Ariel - The Little Mermaid - Magic In Two Kingdoms as shown below. Knights' Kingdom works on all your devices in high quality.