Portal is a game that involves portals and cake. You have this gun that can generate a red and a blue portal, while going in the blue portal takes you to where the red portal is, and the other way around. This is a game that comes from the Half Life 2 Orange Box.
Portal on YTMND
Despite Portal's interesting ending, and interesting concept, YTMNDers have been making YTMNDs that involve Portal. Some of them involve "infinite loops", the Portal ending's song, and cake.
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