The sound of them does change when you get on different surfaces, and at this point most gamers have come to expect such minor details to be present. I can't complain about any of the other sound effects, they were all extremely well done. The voice-overs are up to par and seem to be as accurate as all other current games with frequent character dialog in them. A couple of the characters' voices were ridiculously annoying and these characters happened to speak for long periods of time. Just have some aspirin on hand and you'll be good to go.
Controls are simple and straightforward.
The analog stick allows for precise movement, and by tilting it more Eike goes from running to walking. Unfortunately I cannot say the same for the digital pad, as it isn't pressure sensitive. This definitely isn't a game for those who are expecting a lot of action. You must collect both items and information in order to piece together the various puzzles, which will control your destiny. It requires 107KB on a PS2 memory card.