Puyo Puyo 7
is the seventh installment in the Puyo Puyo series, released in Japan for the Nintendo DS on July 30, 2009, and for the PlayStation Portable and Wii on November 26.

The staple gameplay mode, Great Transformation, allows characters to take on child or adult forms, the Puyos used by them becoming smaller or bigger respectively.

Gameplay 
There are five modes of gameplay used in Free Battle games. Except in Mission mode, a player is eliminated when they top out, and the last player (or side) standing wins the round.

The main focus of the game. There are two transformations,  and , with each character having representations of each. The Transformations refer to the grid size, not so much the character representation.

This is Fever mode. It is identical to the mode in 15th Anniversary.

This mode emulates the gameplay of Puyo Puyo Tsu.

This mode emulates the gameplay of the original Puyo Puyo.

In Mission mode, the player is given a task which they must complete before their opponents. The first player (or side) to complete all tasks wins the round. This mode is named after the Puyo Puyo spin-off game released in 1993.

The story mode focuses mainly on Great Transformation, but has a small number of other modes in addition. The first three modes were also available for use in multiplayer games over Nintendo Wi-Fi Connection until its disconnection in 2014.

Plot
The game opens with a storm of Puyo falling down onto Earth, flooding a high school in its wake. Ringo Ando, a student who witnesses the flood, trembles until Arle Nadja appears. She teaches Ringo how to play Puyo Puyo and fight the many enemies with her skill. Arle soon finds herself being endangered and runs off; Ringo sets out to find her, encountering old and new friends and rivals along the way. During most battles, she is able to use a special ability: she can transform into an adult or a child while playing, which affects the size of the Puyos she uses in the process.

After a match with Klug, Ringo decides that in order to solve the problem, she must travel to seven power spots of the planet, encountering the strongest opponents. During the trek, she discovers that Arle has been possessed by a new adversary: Ecolo. When Ringo comes upon the newly transformed Dark Arle, she defeats her, reverting her to normal. Ecolo decides to bury the universe in Puyos, just for amusement. Ringo, Arle, and Amitie team up to save the day. Ecolo is defeated, and everyone returns home.

References

External links
 Official website 

2009 video games
Fictional trios
H.a.n.d. games
Japan-exclusive video games
Multiplayer and single-player video games
Nintendo DS games
PlayStation Portable games
Puyo Puyo
Sega video games
Sonic Team games
Video games developed in Japan
Video games featuring female protagonists
Video games scored by Masaru Setsumaru
Wii games