Game trivia: Nintendogs, the most popular game in the world

A real-time pet simulation video game developed for the “Nintendo DS,” “Nintendogs” sold 23.64 million copies worldwide as of March 2011 since it was first released in Japan in 2005.

The game uses the DS’s touchscreen and built-in microphone to pet a dog and to use various items. It also allows players to interact with others through the console’s wireless linkup.

Nintendogs has received positive critical reception and has many awards including the 2006 Innovation Award from “PC World.”