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The Crystal Maze has an aztec setting among others and when time's up, players will get locked in. Here's the other wiki link
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I was thinking the same thing, although I now think it isn't.
TV Tropes Pantheon Group Members DatabaseIf it was on TV in Hong Kong it was more likely a British show than an American one — based on my own childhood memory of HK's TV programming, at least. Which would make The Crystal Maze the most likely option so far.
Edited by bluepenguin

Hi everyone, I'm looking for a tv game show that I remember watching when I was young and still living in Hong Kong (so before 1997).
It involved a group of contestants who were on a set that looked like Incan ruins. The host would take one of them to a particular door and tell them that they had to solve the puzzle inside that room within a limited period of time. If they didn't finish it in time, the lights would go out and they would be locked in the room and all the others would move on to another room.
If this sounds at all familiar please let me know!