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Its been a while, but a friend of mine found a copy of the sotc e3 demo that came with OPM issue #97.
This video focuses on the temple area, which I'd heard was interestingly glitchy. I had in mind splitting it into smaller clips, but can't be bothered now that it's done - my apologies.
Things to note:
(07:38) The temple climb is somewhat different.
(11:54) A headless Mono stands in the gardens entrance.
(13:17) The garden blocks are perfectly arranged for climbing higher, except that you can't grab on to them!
(14:35) There are a lot of glitches in the garden - invisible floors, warped textures, and unfinished water.
(17:16) The temples bridge entrance is open - or is it? It depends which side you approach.
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It's not in this video, but i tried running across the bridge - the floor suddenly disappeared and I fell to my death. The rest of the demo is less interesting. If you wonder out too far it just stops.