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Mechanical designer Yoji Shinkawa, creator of Metal Gears Rex and Ray, says he's faced a different challenge while working on the game. Past Metal Gears have had the advantage of taking place in the near future, which allows a designer to play fast and loose with the limitations of technlogy. Shinkawa's work in Zone of the Enders, meanwhile, had no limitations at all. Creating something realistic within the context of a past time, though, imposes some constraints. "There's a person on the team who works with me and helps me come up with the older designs, not just for the mecha but also for the characters," he says. "This guy is a really hard-core fan of that subject, and we do a lot of work together to give the designs that '60s flavor. But in all honesty, it's hard for me. It's easier to work on futuristic designs, where my designs wouldn't be limited at all. When I have to go back in time, I can't come up with something totally wild-looking -- it has to have those ties to past history."
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