1. On disc 2, under "Prep", highlight the "Safe Cracking School" then press right, you will highlight a new symbol, which contains an interview about real life panic rooms.
2. Also on disc 2, in the "Production" section there are two items to choose from, if you press down on the second one a symbol will appear in the fire place, with leads to a funny behind the scenes moment with Foster not being able to break the mirror.
3. On the 3rd disc, under "Visual Effects", highlight "Arm on Fire" and press right, to highlight a secret symbol. It shows cgi visuals of Jared Letto will all kinds of blue fire.