Previous Level: Lasers: Cross through the bridges (Level 3)

Here's another level for my new puzzle, after a long time. Some new ideas came too:


  • There will be lasers which are shaped like an arrow. The arrows pointing in the respective direction shows where the laser goes and the colour shows the colour which it gives out.
  • There will be boxes which are respectively coloured and these boxes need to get touched by the lasers in order to find a solution. In order to find the solution, you can make a move by rotating the lasers or the mirrors 90° clockwise.
  • A mirror reflects a laser's path in exactly 90° angle clockwise or counter-clockwise, depending on the path. A mirror would only reflect the laser it is facing, or else it will block other laser paths.
  • Each box should receive the light of one single laser. In future levels a box may receive the light of 2 or more lasers.
  • Lasers(the arrows of the lasers) and Grey Tiles, along with the sides of the Mirrors would block other lasers' paths.
  • Bridges have a specific colour allow lasers to cross through a box from a particular direction from the same colour, or else it would block lasers from coming through other directions as well as lasers with different colours. Bridges cannot be rotated but in future levels they may be rotated.

What's New:

From now, you can not only rotate lasers, mirrors, etc.; but can also move them side to side. You can also move grey tiles, only brown tiles can neither be moved nor rotated.

In one move, you can move 1 object (like lasers, mirrors, grey-tiles, bridges, etc.) such that they move as far as possible in the grid in a particular direction, until they reach the edge, or they collide with another piece.

After understanding the movement pattern, here is the real puzzle for today. Can you solve it? (Level 4) .

Note :- If you understood the rules, then this level is going to be far more easy than previous ones. But more levels will be coming soon :) .

  • $\begingroup$ Can you move the grey square even though it does not end on the corner but just to the other side? $\endgroup$
    – PDT
    Commented Nov 11, 2020 at 7:07
  • $\begingroup$ Yes, you can. Only the brown tiles cannot be moved nor rotated. From now you can move grey squares. $\endgroup$
    – Anonymous
    Commented Nov 11, 2020 at 7:08
  • $\begingroup$ Can you move the grey tiles into the red tiles? $\endgroup$
    – PDT
    Commented Nov 11, 2020 at 7:13
  • $\begingroup$ You can move the tiles such that they reach the other side, or they stop by touching another tile. $\endgroup$
    – Anonymous
    Commented Nov 11, 2020 at 7:15
  • $\begingroup$ I mean can they over lap? $\endgroup$
    – PDT
    Commented Nov 11, 2020 at 7:16

1 Answer 1


Ok so:

Step 1:

R2C2 3 Down

R1C5 3 left and 3 down

R3C6 4 left

R6C4 3 up

R2C6 1 down and 1 left

R3C4 1 down

R4C6 1 left

R4C4 1 down

R5C6 1 left

R2C4 2 down

Final Positions:

enter image description here

  • $\begingroup$ How about a picture of the final position? $\endgroup$
    – Anonymous
    Commented Nov 11, 2020 at 8:04
  • $\begingroup$ Ok sure I will try... $\endgroup$
    – PDT
    Commented Nov 11, 2020 at 8:07
  • 1
    $\begingroup$ Is this better now? $\endgroup$
    – PDT
    Commented Nov 11, 2020 at 8:18
  • $\begingroup$ Just to add, I hope you continue this and maybe make more challenging ones. $\endgroup$
    – PDT
    Commented Nov 11, 2020 at 10:27

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