Plot: Super Robot Taisen OG Saga: Endless Frontier is a video game developed by Monolith Soft and published by Bandai Namco Games. It is a spin-off of the Super Robot Taisen: Original Generation series. Wikipedia
Plot: 2nd Super Robot Wars Original Generation is a tactical role-playing game for the PlayStation 3 developed by TOSE and published by Namco Bandai Games under the Banpresto label. It is the sequel to Super Robot Wars Original Generation Gaiden. Wikipedia