The idea is to set up some turrets at key areas to kill the Eternalists that spawn. A turret placed on the box outside the Annex will kill any Eternalists that try to stop you.Ĭontinue around the bunker, hacking turrets as you go. Quickly hack the security camera and the door – both of these you now control. Go out the door and let the security sensor spot you, this will cause the door to lock. Now, you should go out the door behind where the projector is at the start of the game (this is the quickest way to the Annex but will be locked once you start the process).

Check out our guide on where to find the crank-wheel if you're struggling. Put the crank-wheel into the Residuum sample (to the right of the controls).

The wheel is on the table beside the contraption. Completing this challenge requires a bit of setup, specifically, collecting a crank-wheel, placing turrets, hacking doors, and setting up some trip mines.īegin by taking the crank-wheel from the Annex to the Loop Control Center. The problem is that one stray bullet will smash the Residuum sample and you will need to restart the day. The trouble is that once you pick up the Residuum sample, a dozen Eternalists will spawn and the doors in the Loop Control Center will lock, meaning your only way out is to fight out. In order to solve the Residuum Experiment, you must take the Residuum sample (which is labelled Residuum Experiment) from the Loop Control Center to the Annex and insert it into the contraption. Once you open the protective shielding using the crank-wheel and grab the Residuum sample, enemies will be alerted and attack you. The glass tube can be raised using the crank-wheel, but working out how to solve it can be tricky. This appears to be two machines beside one another, one with a vertical glass tube and the other with an array around a middle isolation chamber. The Residuum Experiment can be found inside the Annex in The Complex. Solving the Residuum Experiment requires taking a Residuum sample from the Control Center to the Annex, while fighting a whole lot of Eternalists – not an easy task if you don’t come prepared. This can be first found at the very start of the game, in Wenjie’s Laboratory Annex, but it’s a good idea to hold off on doing this one until you’ve got some resources. The Residuum Experiment is an interesting mystery to solve in The Complex in Deathloop.

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