Редактирование: Guide to construction (раздел)

==== Normal/Reinforced Hidden Door ====
{{anchor|Hidden Door}}{{anchor|Hidden Wall}}{{anchor|Reinforced Hidden Door}}{{anchor|Reinforced Hidden Wall}}
Also known as "Fake Walls" or "Hidden Walls". With a little imagination, hidden doors can be used in many marvelous tactics, varying from ambushes to passages into your very own secret hideaway room.
* Click to open.
* An almost undetectable escape route.
* Otherwise, same as a regular wall.

{| class="wikitable" border="1" cellspacing="0" style="width:80%; background-color:#FFFFFF;"
!rowspan="2" style='background-color:#FFEE88;'|[[File:False_Wall.gif|64px|Surprise, motherfucker!]]<br>Hidden Door<br>[[File:False_Wall_r.gif|64px|wow]]<br>Reinforced Hidden Door
! style='background-color:#FFDD66; width:20%'|Requires to build
! style='background-color:#FFDD66'|How to build
|-
|[[File:Metal.png|Metal]]x4 or<br>[[File:Metal.png|Metal]]x2 [[File:Metal_r.png|Plasteel]]x2
| style="vertical-align: top; padding: 10px;"|
# Stand where you want the door.
# Click the <font color='gray'>'''metal'''</font> in your hand to open the construction panel.
# Choose 'Build wall girder' from the list.
# Use wrench on the girder and wait a few seconds for it to dislodge.
# Use the remaining 2 sheets of <font color='gray'>'''metal'''</font>, or <font color='gray'>'''plasteel'''</font> for a reinforced type, on the girder.

To turn a normal wall into a hidden door, deconstruct it until the final screwdriving of the girder, and instead use 2 sheet of metal on the girder.
|-
!colspan="3" style="background-color:#FFDD66"|How to deconstruct
|-
!colspan="1"  style='background-color:#FFDD66; width:20%'|Tools
|rowspan="2" colspan="3"|
# '''Screwdriver''' to tighten the bolts and turn it into a regular wall. Or...
# '''Weld''' to dismantle the false wall.
# '''Screwdriver''' again to disassemble the girder.
|-
|colspan="1" style="text-align: center;"|
[[File:Screwdriver_tool.png|Screwdriver]]<br>[[File:Welder.png|Welder]]
|}