Indiana Jones Great Circle: Bulls of Blood puzzle solution

Indiana Jones and the Great Circle is full of mysteries to discover and puzzles to solve. One early optional puzzle you will come across is The Bulls of Blood mystery at Castel Sant’Angelo. It’s a very easy side puzzle to solve, but because it’s likely the first one in the game that requires you to look for clues and interact with objects, it may be tricky to figure out. In this guide, we break down everything you need to know about The Bulls of Blood mystery, from how to start it to the solution of the bull puzzle that opens the secret passage. As you sneak into Castel Sant’Angelo, you will reach the Courtyard of the Angel. Take down the Blackshirt guards and get inside the first room to the right in the courtyard. It says Sala di Apollo next to the door. Take the mystery note on the desk inside the room. It’s Russo’s Note, which will add the Bulls of Blood mystery to your journal. If you don’t start the mystery by taking the note, it will trigger automatically once you get to the puzzle itself and interact