I guess you mean 8 is a more obvious choice than 10? Did any ancient cultures use base 8 or base 4? Seems like 8 it became "common" as a result of computers (or teletypes). Even if 8 was more "natural ...

In Obduction, the Villeins use a base 4 number system — and you'll have to use it to solve puzzles. To understand it, you have to think about our own numbers for a minute. We use base 10. This means ...