In Zoids Saga II, the world of Zi is warped by an accident involving the Time-Space Transmission unit, merging the timelines so that the first three anime, Zoids VS, Liger Silver Beast, and the events directly after the first Zoids Saga game are all occurring simultaneously. The game follows 'Zeru' and Juno as they attempt to foil the efforts of the Backdraft Group and the Terra Geist organization, along with restoring the timelines to their original states.
Several improvements to the gameplay were made in Zoids Saga II. Enemy groups of Zoids were no longer visible on the overworld or dungeon maps, such battles becoming random encounters, and movement on the overworld and in the dungeons was upgraded to 8 directions.
Read more about this topic: Zoids Saga