Metal Slug 1 was released in 1996 by SNK for the Neo Geo arcade system and became known for its detailed pixel art, humour and fast side-scrolling shooting action. Its music and sound effects became part of the identity of the series, which continued with many sequels and re-releases on consoles, handhelds and mobile devices. Short clips from the first game are now shared by retro gaming fans and used in edits and memes as a quick signal for old-school arcade action. The sound remains popular because it is short, recognisable and instantly tied to 1990s arcade culture.