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In-game, black walls serve to keep puzzles from being too simple by restricting where the player can place portals. However, I'm curious to know if a more in-universe reason is ever given for why these black walls reject portals?
In-game, black walls serve to puzzles from being too simple by restricting where the player can place portals. However, I'm curious to know if a more in-universe reason is ever given for why these black walls reject portals?
In-game, black walls serve to keep puzzles from being too simple by restricting where the player can place portals. However, I'm curious to know if a more in-universe reason is ever given for why these black walls reject portals?
Is there an in-universe reason for why portals don't work on black walls?
In-game, black walls serve to puzzles from being too simple by restricting where the player can place portals. However, I'm curious to know if a more in-universe reason is ever given for why these black walls reject portals?
