I have often used those three terms almost interchangeably, yes, even computer scientist. After all, most of us have a degree in computer science, so what does that make us? However, recently I find that those three things have come to take on more and more distinct personalities in my mind. [...] It is difficult to define what each one should be, (it is more of a gut feel rather than a strict delineation) they are very similar (and rightly so), but I am going to attempt to do it anyway.

He splits them up according to a few criteria - how their code looks, how it works and what level their math skills are at. The photos he uses to further define each are pretty dead on too.

The game, 32cards is a digital card trading game with tons of data about each country for each card. On each turn, the topmost card is uncovered and five stats are compared. The player with the highest stats wins and points are awarded. You can gabs this great example of how flexible PHP really is (and try out a pretty cool game) by heading over to their site and grabbing the download.