Google has removed Unity support from version 45. You have to download
You need to install Unity Web Player to play this game.
House of Anubis: The Secrets Within
Play an epic detective adventure game – House of Anubis: The Secrets Within, with your favourite Nick characters from the House of Anubis series, and discover rooms full of mystery quests, secrets and action, and collect clues. Enjoy on tasiilaq.net