The Game Boy turns 25: How a 'grey brick' took over the world of portable gaming, The Independent

First released on 21 April 1989, the original Game Boy line-up has since sold nearly 118 million units and spawned legendary titles from Tetris to Pokemon

The Game Boy turns 25: How a 'grey brick' took over the world of portable gaming

The Game Boy turns 25. If you've never seen the games, here's your chance. - The Washington Post

Game Boy Turns 30: Remembering Nintendo's Famous Handheld

Mobile Game of the Week, Pocket Gamer.biz

Pokémon is no longer just a game — it's a lifestyle - The Verge

Happy 25th Birthday, Game Boy

Game Boy Turns 30: Remembering Nintendo's Famous Handheld

The Game Boy Legacy: A 25th Anniversary Celebration

What it costs to run an independent video game store - Polygon

File:Brick game (gray).jpg - Wikimedia Commons

Nintendo's Game Boy turns 25