In Memoriam (released in North America as MISSING: Since January) is a 2003 alternate reality adventure game developed by Lexis Numérique. The game blends real-world internet interaction with FMV, emails, and puzzles as players attempt to track down a missing journalist and his girlfriend, abducted by the serial killer known as “The Phoenix.” Through websites, video clues, and cryptic messages, players piece together evidence in a highly immersive investigation. The game was praised for its innovative ARG mechanics and its unique blend of fiction and reality, creating one of the most memorable mystery experiences of the early 2000s.