Yes, it is possible to use a controller for Cave Story. The game was designed with controller compatibility in mind, especially for those playing on consoles. If you are on a PC, there are ways to map your controller keys to the game's controls. There are also third - party software that can help with the controller setup if the in - game options are not sufficient. This allows for a more comfortable gaming experience, especially for those who prefer using a controller over a keyboard and mouse.
Yes, you can use a controller for Cave Story. Many platforms support controller input for this game.