The first expansion, RBO Extra Scenario Vol. 1, was released on August 14, 2005. Scenario Vol. 1 added two new stages, an arena mode with 50 stages (10 of them are unlocked by finishing the previous 40 with each class), some character balances, and increased difficulty such as doubling boss and mini-boss damage.

A second expansion, RBO Extra Scenario Vol. 2, was released on December 29, 2005. Scenario Vol. 2 added three new levels, decreased the requirements for unlocking the extra arenas from all classes to two classes, and further tweaked gameplay.

The third expansion, RBO Extra Scenario Vol. 3, was released on May 21, 2006. Scenario Vol. 3 added one new level.

RBO Extra Scenario Vol. 1Edit

New EX 1 Stages

  • Prontera Culvert
  • Sunken Ship

New Mode

  • Arena Mode

RBO Extra Scenario Vol. 2Edit

New EX 2 Stages

  • Lutie and the Toy Factory
  • Pyramid
  • Sphinx


  • Level Maximum for each character increase up to level 30
  • Decrease the requirement for Arena 41 - 50 from completing with 7 Classes to 2 Classes

RBO Extra Scenario Vol. 3Edit

New EX 3 Stage

  • Amatsu and Tatami Maze