Resident Evil 4, known as Biohazard 4 in Japan, is a survival horror game developed by Capcom and first released in 2005. Its intro menu music plays on the title screen before players begin Leon S. Kennedy's mission in rural Spain, and the track's quiet, ominous tone helped establish the game's shift toward a more action-focused style while keeping its horror roots. The sound has since been shared widely in gameplay videos, retrospectives and short edits, where fans reuse it as shorthand for the game's atmosphere and for the early 2000s era of console horror.