Rats: Night of Terror (1984)

(aka) Les rats de Manhattan / Riffs III - Die Ratten von Manhattan / Blood Kill / Rats - Notte di terrore . One hundred years after a nuclear war has devastated the planet, society has been reborn into two factions; the underground society and the scavangers above in the wastelands. A group of scavangers on bikes come across a town infested with flesh eating rats, and soon the gore is spilling everywhere.