Get 14th shadow ending

Full explanation and strategy to solve the last game in the game

Game mechanics

• basically the game consists of 55 fields aranged in 5 rows and 11 columns
  
• each field can have one of 2 states (black=inactive / white=active)
  
• clicking on a field changes its state and also changes the state of up to 2 adjacent fields
  
• the changed fields are always in the same row or column

• the goal of the game is to activate all fields
  
• the whole game can be solved on a sheet of paper
  
• for the solution a single field is clicked once or never

Preparation

first step:

• draw the grid with at least 0.5'' or 15mm edge length per field
  
• click each field in the game and mark the direction of changing cells on the sheet

my preference: vertical or horizontal line in the cell

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second step:

• mark on each active field that it's active (remember that the state will change)

my preference: a tally on the bottom right corner of the field
(empty = inactive; | = active; || = inactive; ||| = active)

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third step:

• a field could be switched by 5 fields (self + 4 adjacent)
  
• it's not neccessary but comfortable to mark how many fields still can switch a field
  
• because the switches decrease during the solution, better mark how many adjacent fields can not switch a field; it's easier to add a stroke on a drawing than remove it
  
• fields on the grid edge have at least 1 irrelevant switch (no field outside of the grid)
  
• fields in the grid corners already have 2 irrelevant switches
  
• any adjacent field with a (green) line not pointing to the current field is also irrelevant
  
• a field that is already set as pressed or not pressed is also irrelevant

my preference: a tally on the top left corner of the field

Solution

General Rules:

• in each step choose one field to click or not to click (set click indicator = CL)
  
• the chosen field and the adjacent fields (in direction) get 1 to switch indicator = SW
  
• if a field is set as clicked, this field and the adjacent fields (in direction) get 1 to activity = AC

Here is a small example to explain the rules

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Rule 1:

• a field with SW4 that is not active must be clicked (field 1 in initial image)
  
• a field with SW4 that is active must not be clicked (field 2 in step 1)

changes drawn in bold black

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Rule 2:

• 2 fields pointing each other with SW3 each must have the same activity state
  
• if 2 fields pointing each other with SW2 and SW3; the field with SW2 can be raised from another field
  step 2 to 3:
  - field 4 & 5 pointing each other
  - field 7 can raise field 4
  - field 7 must be clicked to set state of field 4 & 5 equal
  step 3 to 4:
  - field 8 & 9 pointing each other
  - field 6 can raise field 9
  - field 7 must not be clicked to keep state of field 8 & 9 equal

changes drawn in bold black

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Rule 3:

• a field with SW4 that has a CL forces one adjacent cell to get a CL
  step 4 to 5:
  - field 7 has SW4 and CL but is not acive (AC2)
  - field 8 is pointing at field 7 and must be clicked

changes drawn in bold black; in this small example all fields are solved directly

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Final

• the 3 rules above usually can solve at least the half game
  
• possibly there will be some fields that can not be solved with the rules
  
• every field without CL now should have SW3
  
• set one random CL and solve further with the rules
  - start with clicked or not clicked does not matter; the result just flips

At this point chose any field with random CL

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Thats it... After identifying all fields to click, do it in the game.


Thanks for reading and have fun!

[ascend.]

Very nice guide, after a bit of fiddling around I managed to solve the puzzle. Thanks!

[trappcore]

Very hard) and not my language, but thanks btw