Board Thread:General Discussion/@comment-24300754-20131218231927/@comment-10380701-20140103030358

320x240 is generally the size of a PS1 game. It's tiny, but the size can be doubled, essentially scaling it into 640x480 while retaining the sprite and background size. It would look a bit iffy, but as this isn't a professional game, you don't need to work with high-quality stuff yet.