Most puzzles in this game have many possible solutions. I tried to record solutions that are clear, simple and that can be reproduced relatively easily.
If you're looking for specific levels or zones of The Talos Principle or Road to Gehenna, check out the main walkthrough playlist (first link). It should be easy to find what you're looking for. The order is relatively logical and I tried to make the video titles and pictures descriptive. The order is: World A, World B, World C, Tower, Messenger Islands, World A star area, World B star area, World C star area, Road to Gehenna World 1, Road to Gehenna World 2, Road to Gehenna World 3, Road to Gehenna World 4, Road to Gehenna Star World. The sigil puzzles and the stars are mixed with the other levels as they are encountered during the game progression. If you're looking only for the stars because you missed a few on the way, check out the stars-only walkthrough (second link). If you're looking only for the Road to Gehenna walkthrough, check out the third link.
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Played on my PS5 and captured with the console's built-in recording feature.
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