superstarshi.github.io
Super Mario and the Rainbow Stars is an SMBX2 fangame that aims to bring traits of the Paper Mario and Mario & Luigi series into a 2D platformer. It includes six chapters, partners, and unique worlds, and lists features such as multiplayer, cutscenes, a 3D world map, powerups, a 3 hp life system, partners, and badges. A demo (v1.1) is offered for download.