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: Another Century's Episode Portable is a mecha action video game developed by FromSoftware and published by Namco Bandai Games. It was released for the PlayStation Portable on January 13, 2011. Wikipedia