Titan IDE is a 2D game engine for the Sega Dreamcast, Nintendo Wii and PC.
Here are the templates that are used together with the tool. All the templates are open source and can be used to create your own game. After you install the tool, download the template you wish and put it inside the following directory: C:\cygwin\home(Your Computer name)\dc\kos\Projects\
The tool can be downloaded here: https://titangamestudios.com/2017/04/22/tutorial-how-to-make-a-dreamcast-game-using-the-titan-ide/