You can find Reanimal's secret code in Chapter 1: Dead in the Water. However, note that the secret code is the same in every game, so if you've already passed this chapter and just want the answer, go ...

During the mid-game of The First Descendant, you might get a subquest that requires you to find Encrypted Vaults, which require Code Analyzers to decrypt. Here’s how to find Code Analyzers in The ...