The Puyo Puyo Fever 2 is a puzzle game that follows the story of three characters - Mio, Aya, and Shu - as they battle against enemies across different worlds. The game takes place in a fantasy world where players must stack and arrange falling blobs (or "puyos") in the correct color patterns to send "garbage" puyos to their opponents and flood their base.
Gameplay involves playing against either an AI or player-controlled opponent, with the goal of stacking and arranging puyos in the correct patterns. The game features a single-player arcade mode, as well as a story mode with three different characters and campaigns. The "fever" meter from the previous game returns, increasing the number and abilities of garbage puyos sent depending on consecutive chains. A new ranking system awards money that can be used to buy special items modifying the game rules in favor.