Interactive games that take place across multiple platforms both online and in real life have been taking place since the 1980s, when Joseph Matheny planted information about a faux legend across the online bulletin boards and paper zines. They began to get mainstream attention after a 2001 viral marketing campaign for sci-fi film A.I..

The monotonous click-based online browser game Cookie Clicker meets Super Mario in this custom level design created for the Vinesauce YouTube channel.

Short for "not safe for work," this acronym is commonly used as a cautionary reminder for Internet users in public to check the surroundings before clicking on the link.

MTV Jackass alumni and professional stuntman Steve-O kicks off his new YouTube channel with a "used condom" prank that won't disappoint his fans.