MarkAltair: "Arrange Mode" is the rookie mode. a very easy mode.
enables the player to start the main story with the S. Machine Gun in the inventory and the Gatling Gun and R. Launcher in the item box.
All three weapons have unlimited ammo.
it was available on the pc versions, dual shock ps1 versions (ofc only in us e japan, as EU didn't have a dual shock release), gamecube and dreamcast versions.
very lame mode, if you ask me.
PC is based on the japanese PS1 Dual Shock Version, so it includes both the USA difficulty (Original Mode, 2 ink ribbons, more zombies, etc) and the japanese difficulty mode (Arrange Mode, 3 ink ribbons, less zombies, etc). Both modes can be played on Normal, Easy (or Rookie as it was known internationally) and the new Hard difficulty available in this port.