Alien 9: When Aliens Attack

Alien 9: When Aliens Attack is a fanmade Nintendo DS game based on the anime Alien Nine.

Plot
Yuri, Kumi, Kasumi, and their new friend Mitsuko must work together to stop a group of evil aliens from attacking Division 9 Elementary School.

Gameplay
You have an option to play as Yuri, Kumi, Kasumi, and Mitsuko who all play the same. Each character uses their alien helmets as weapons, they can gather magic points by collecting scrolls and use them for screen-clearing special attacks or very rare power-ups, both kinds of which are found in large scrolls opened with their weapons. Extra lives are awarded for every 20,000 points scored. Most levels are traveled on foot, but some exception in levels varies which includes a skateboard and their alien helmets. Minigames varies after beating the first level or by jumping in a certain spot. The Boss battles also varies in the game, which in this case are card-based battles for the bosses.

The final boss in the game is the Yellow Knife.

Characters

 * Yuri Otani
 * Kumi Kawamura
 * Kasumi Tomine
 * Megumi Hisakawa
 * Miyu Tamaki
 * Mitsuko Kita (OC) - A new member of the Alien Party who knows more about aliens than anyone else.