Zero Escape series.Timer starts when you click on 3rd Class Cabin in the Memories of the Escape menu. Use 'Coin Bag' in center slot machine's coin slot.

Shower Room - 999: Nine Hours, Nine Persons, Nine Doors ...

After the kitchen, you can choose to go through door 8,which leads to the laboratory.

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Escape the Lab

Steam Community :: Guide :: PUZZLE SOLUTIONS WALKTHROUGH

1. Get the ethanol from the unlocked (green) lockers to the left of the computer
2. Get the power cable from on top of the computer equipment next to the large computer console.
3. Look through the large window and tap the table to the right of the mannequin untilClover says that she can't erase the marker.
4. Hand the ethanol through the bars.
5. Go back to the large window and tap the table until you tell Clover that you'll give her somethingthrough the bars.
6. Tap the bars to give Clover the piece of paper.
7. Tap the table again and go back to the bars and tap them to get the note with the grid on it.
8. Go to the computer monitor and tap it while holding the power cable.
9. Go back to the large window and tap the machine that is just above the mannequin's head until Clover saysthat she has found a two-prong adapter.
10. Go to the bars to get the two-prong adapter.
11. Combine the two-prong adapter with the power cable
12. Use the power cable on the computer monitor
13. When the computer turns on, tap the puzzle in the order described on the paper that Clover gave you:
    
14. Take the Earth Key and the small key from the green lockers on the right (story trigger)
15. Use the small key on the computer console in the middle of the room
16. Go to the large window and tap the machine on the wall in the top-left until the mannequin catchesfire
17. Turn left to see the two doors that have a green light on them.
18. Tap the green door on the right to get Clover out
19. Tap the green door on the left to escape from the laboratory