While all PlayStation 3 consoles can play original PlayStation discs, not all models are PlayStation 2 compatible. If you want to play PS2 games of your PS3, then you need to make sure you buy the right model. How to Tell if You Can Play PS2 Games on Your PS3 The original 60GB and 20GB launch models are backward compatible with PS2 games because they have PS2 chips in them. Other models, most notably the 80GB Metal Gear Solid PS3, used to be backward compatible using emulation software, but they no longer support PS2 games. To tell if your console is PS2 backward compatible: Look to see if the PS3 is a PlayStation 3 Slim Model. You can tell if a PS3 is a slim model if it has a lower profile, a matte black finish (not shiny), and the PS3 logo on the top instead of the word "PlayStation 3." If it's a PS3 Slim, then it isn't PS2 backward compatible, though you can still enjoy PS3 and PSone games on it. Look to see if the PS3 is a 20GB PlayStation 3. These were available...