Scan it with a QR readable phone to view a fictional website from the storyline. Enter the warehouse, and search for cardboard boxes marked with “Sarif Industries” to find a QR barcode. QR websiteSuccessfully complete the prologue, and start the first mission.Scan them with a QR readable phone to view hidden messages. QR codesThere are QR codes on boxes and other things throughout the game.Set them down or let them fire while you move to easily clear out a room. Easy killsUpgrade Hacking and Strength to be able to pick up turrets, which have unlimited ammo.So regardless of how many battery packs you have, youll always need to scarf down energy bars or other nutrients to refill your energy level beyond the first battery. Open the door, and walk inside to get a 100 XP Traveler bonus. In Deus Ex: Human Revolution, only your first battery will recharge when having zero energy. Additionally, if you have the Reflex Booster augmentation (which allows you to take down two enemies at once), you can get an easy 125 XP from a non-lethal takedown/kill compared to a lethal takedown/kill. Use this glitch on the computer in Jensen’s office to get 500 XP every time you load for easy Praxis points.Try to execute as many non-lethal takedowns/kills as possible to earn more XP than you get from lethal takedowns/kills.
Once you finally complete the hack, you will get all the nodes (from the previous times you loaded) in addition to the nodes you get normally. After you hack the nodes, load the previous saved game, and repeat the process.
Then, hack the optional nodes, but do not complete the hack.