Fun character designs and competent combat may be enough for a satisfactory single experience. However, doubling that up without any substantial bells and whistles makes the whole thing less appealing.
Citizens Unite! Earth x Space
Citizens Unite! Earth x Space is a compilation including Citizens of Earth and Citizens of Space, with new content to link the stories together.
Citizens Unite! Earth x Space is coming in early 2021. The Citizens double pack is scheduled to release near the end of January.
Citizens Unite! Earth x Space brings two RPGs together in a compilation. The title packages Citizens of Earth and Citizens of Space, and will be available on Switch and PS4.