Super Robot Wars Original Generation Gaiden

Super Robot Wars OG Gaiden (スーパーロボット大戦OG外伝, Sūpā Robotto Taisen Ōjī Gaiden) is a 2007 tactical role-playing game, and direct sequel to Super Robot Taisen: Original Generations, for the PlayStation 2. The bonus segments of Original Generations, entitled Original Generation 2.5: Unified Wisdom, was regarded as a preview for Original Generation Gaiden. The game resolves many matters left unchecked at the end of Original Generation 2.5, such as one of the main antagonist's unfinished plan and the activities of one of the enemy factions.