My first ASCII art! I stopped using ΒΆ (Alt+0182) in art after this, as it is too bold a character for my art.
The Cake Is A Lie
Sparkmen. (2008, May 30th). ASCII Request: Portal. Retrieved from https://gamefaqs.gamespot.com/boards/585451-alphabet-zoo/43309399
Aperture Science Logo
dark nova. (2007, December 6th). dark nova’s ASCII art. Retrieved from https://gamefaqs.gamespot.com/boards/585451-alphabet-zoo/39700288
Companion Cube
agasonex. (2007, October 13th). [ascii]. Retrieved from https://gamefaqs.gamespot.com/boards/585451-alphabet-zoo/26265046