Songbird Productions is at it again, announcing another two games to their line up of games to be released this year...Quadromania Redux and Sky Raider Redux. Both of these games are incarnations of their previous releases. They will come on new curved lip carts and will have EEPROM (save) support as well as many new features and updates.
The games are due for physical release in fall 2020. You can read more about this from the Songbird Productions blog - The growing family of Songbird IP.