Local two-player co-op is among the new modes for Cave Story+. The feature will officially be implemented in the Nintendo Switch version of the game as a free update on September 15. Cave Story+ launched earlier this year, complete with enhanced visuals, seven play modes, over 20 boss battles, 15 levels, 10 unique weapons and four different endings. The game has players take control of an amnesiac boy on a journey to learn the origins of a rare world’s power, stop a delusional villain and save innocent rabbit-like creatures called Mimiga.
— Nicalis, Inc. (@nicalis) September 8, 2017