No More Room in Hell 2 – Codebook Guide

Codebook Location

By Voxiom.

The Power Plant

When you enter the Power Plant, you need to go through the Control Centre to reach the Control Room. The Input Console there will tell you what code you need, for example [BOOT UP].

Just look for the Codebook on the other side of the room and find the right code to use.

All Code Variations

  • Boot Up 678-436
  • Automate Cooling 721-286
  • Water Supply 655-221
  • Circulate Airflow 426-140
  • Link Rotators 903-742
  • Deploy Generator 942-632
  • Open Valves 453-911
  • Switch Turbine 112-159
  • Enable Reactors 624-361
  • Hydrogen Reboot 298-532
  • Deploy Rods 568-586
  • Boot Up 568-046
  • Automate Cooling 578-432
  • Water Supply 630-872
  • Circulate Airflow 175-193
  • Link Rotators 199-885
  • Deploy Generator 700-174
  • Open Valves 528-160
  • Switch Turbine 147-969
  • Enable Reactors 386-202
  • Hydrogen Reboot 303-275
  • Deploy Rods 854-922
  • Boot Up 452-353
  • Automate Cooling 441-774
  • Water Supply 884-063
  • Circulate Airflow 367-000
  • Link Rotators 217-748
  • Deploy Generator 338-572
  • Open Valves 223-073
  • Switch Turbine 536-162
  • Enable Reactors 882-321
  • Hydrogen Reboot 241-516
  • Deploy Rods 913-792
  • Boot Up 237-776
  • Automate Cooling 572-781
  • Water Supply 918-813
  • Circulate Airflow 175-091
  • Link Rotators 512-455
  • Deploy Generator 924-270
  • Open Valves 745-514
  • Switch Turbine 901-328
  • Enable Reactors 978-603
  • Hydrogen Reboot 234-204
  • Deploy Rods 416-124
Jan Bakowski
About Jan Bakowski 325 Articles
A lifelong gamer Jan Bakowski, also known as Lazy Dice, was always interested in gaming and writing. He lives in Poland (Wrocław). His passion for games began with The Legend of Zelda: Ocarina of Time on the Nintendo 64 back in 1998. Proud owner of Steam Deck, which has become his primary gaming platform. He’s been making guides since 2012. Sharing his gaming experience with other players has become not only his hobby but also his job.

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