Released in 2004, 'Puyo Pop Fever' is a puzzle video game developed by Sonic Team. It is part of the Puyo Puyo series and features fast-paced puzzle action where players match colored blobs called Puyos. As players connect four or more Puyos with the same color, they disappear, allowing for combos and chain reactions. The game includes multiple modes, such as single-player campaigns and competitive multiplayer, making it a fun challenge for players of all skill levels.