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Escape the Titanic Walkthrough: Slide the door to the right.
Drag all the people to the right.
Drag the door handle downwards with one finger. While holding the door handle down, use another finger to turn the wheel counter-clockwise (swipe downwards on the left side of the wheel) until the door opens.
Press the light switch box on the right side.
Escape the Titanic Walkthrough: Tap the control panel and change the wires so they look like the marks on the bottom right.
Pick up the wrench, then proceed.
Press the light switch to turn off the lights and it will show you the safe squares to step on.