Remember the “impossible space” Valve developer Eric Tams described in Portal 2’s developer commentary? Youtube user tonymyre311 took it to heart and created an entire map full of reality-bending impossible spaces.
Impossibly long hallways? Check. Rooms with insides larger than their outside dimensions? Check. Walking up the wall of a room, defying gravity like a boss? Check. There’s even a neat visual trick where you can see pristine and destroyed versions of the same room all at once.
The sad thing is that the map is more of a tech demo; there’s no real puzzle to solve. However, with mappers starting to explore with the linked_portal_door entity in the Portal 2 SDK that makes this possible, it’s only a matter of time that impossible spaces like these are worked into puzzles. And who knows, perhaps Valve might include such impossible space puzzles in the free Portal 2 content patch, due to be released in mid-September .
Download tonymyre311’s Non-Euclidean Level Design map to try it out for yourself, or click on read more to watch a video of the map’s key features if you’re reading this from the front page.
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