Puyo Puyo! – Puyopuyo 15th Anniversary is a puzzle game released for the Nintendo DS, celebrating fifteen years of the beloved Puyo Puyo franchise. The Puyo Puyo series originated in 1991 as an arcade and MSX2 title developed by Compile, and over the following decade and a half it became one of Japan's most recognizable competitive puzzle franchises, spawning numerous sequels and spin-offs before Sega acquired the intellectual property and continued its development. The 15th Anniversary entry arrived during a period when the Nintendo DS was firmly established as a dominant handheld platform, boasting a large install base and a thriving library of puzzle and party titles that suited the dual-screen hardware well. The game serves as a celebration and anthology of sorts, bringing together a wide variety of rule sets drawn from across the franchise's history rather than committing to a single gameplay mode.
At its core, Puyo Puyo gameplay involves pairs of colored gelatinous blobs — Puyos — falling from the top of a vertical playfield. Players rotate and position these pairs to form groups of four or more same-colored Puyos, which then pop and disappear. Cleared Puyos send "nuisance Puyos" — colorless obstructive blobs — to the opponent's field, and chaining multiple clears in sequence (known as rensa, or chains) multiplies the nuisance sent dramatically. The Nintendo DS version makes use of both screens, typically displaying the player's field on one screen and relevant game information or an opponent's field on the other, while the handheld's directional pad and face buttons handle rotation and lateral movement of falling pieces. The touchscreen, a defining feature of the DS hardware, is also incorporated for menu navigation and certain interactive elements.
What distinguishes this anniversary release from a standard Puyo Puyo entry is its "15 rules" concept: the game packages fifteen distinct gameplay variants, each drawn from a different chapter of the franchise's history or representing a creative twist on the base formula. These modes include classics such as the original Puyo Puyo rules, Puyo Puyo Tsu's double-chain offset mechanic, Fever mode from Puyo Pop Fever — which introduces a fever gauge that temporarily shifts play into a pre-constructed chain sequence — and several other variants that alter how nuisance is calculated, how chains interact, or how the playfield itself behaves. This breadth of content gives both newcomers and longtime fans a structured tour through the franchise's mechanical evolution.
The single-player experience is structured around an adventure mode in which the player progresses through a series of opponents, each associated with a particular rule set, alongside additional challenge and puzzle modes that test mastery of specific mechanics. The game's roster features a large cast of characters drawn from across the Puyo Puyo universe, each with distinct visual designs and voiced dialogue, contributing to the colorful, anime-inflected presentation the series is known for. In its era, the title was received warmly in Japan, where the Puyo Puyo franchise commands a dedicated following, though its Western release was limited, reflecting the historically uneven international distribution of mainline Puyo Puyo titles during that period.