The original Plants vs Zombies theme comes from PopCap's tower defence game, first released in 2009, where players defend their garden from waves of cartoon zombies. Its cheerful, quirky melody became closely associated with the game and was later reused in countless fan edits, speedruns and short videos online. Sped-up versions like this one grew popular on soundboards and social platforms because the faster tempo fits short, high-energy clips, keeping the tune recognisable while turning a nostalgic game theme into a punchline for chaotic moments.