Code 18 code_18 is a Japanese science fiction visual novel produced by CyberFront and released on September 29, 2011 for the PlayStation Portable and Xbox 360. The game was later ported over to PC as both a standalone product, and as part of the Infinity Selection compilation which included Ever 17: The Out of Infinity.code_18 is a part of the Infinity series by KID - CyberFront took over the brand name after KID announced bankruptcy in 2007.