Players explore a structure inspired by the Tower of Babel full of people who speak fictional languages. Encountered languages must be translated through experimentation and puzzles. A notebook helps players translate words by showing all the context players have discovered around it, such as locations where it was encountered and non-verbal communication used alongside it during conversation. As players progress higher through the tower, they encounter new languages that must be translated. Different languages have different calligraphy and different language characteristics: some languages signify plural as repeating the word (i.e. “doors” is written as “door door”), while others have a separate glyph for marking the previous or next noun as plural (i.e. “[plural] door” or “door [plural]”). Different languages also can have differing syntax, putting the predicate and subject in different places of a sentence.