No Game No Life
ノーゲーム・ノーライフ (original)
Legendary gamer siblings Sora and Shiro are transported to a world where life is a series of games and humanity is in grave danger of extinction.
Starring Yoshitsugu Matsuoka, Ai Kayano, Yoko Hikasa, Yuka Iguchi, Yukari Tamura, Miyuki Sawashiro, Mamiko Noto, Rie Kugimiya
It's a animation and action & adventure show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United Kingdom.