Signal Path
A daily connect-the-pairs logic puzzle: link every matching pair of terminals with one path, never crossing, until every cell on the board is used.
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Signal Path
Today's board is on its way.
Today's board
Time 0:00
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Tap a terminal, then tap or drag through the cells to its partner.
Link every pair to file your time.
Next board at midnight UTC.
How everyone did today appears here once 20 players have finished.
0Solved
0Streak
0Best streak
–Best 6×6
–Best 7×7
–Average
Today's card shows the board with its terminals only, your time band, streak and the days to launch; a card for an earlier day shows that day's links. Never today's answer.
6×6 on weekdays, 7×7 at the weekend, a 5×5 warm-up, one hint, a streak, personal bests and a spoiler-free result to share. A fan puzzle, not a status signal.
How to play
The board holds numbered pairs of terminals. Join each pair with one path through the cells, moving only up, down, left or right; paths never cross or share a cell, and every cell ends up on a path. Tap a terminal, then tap the next cell or drag your finger through the cells to its partner; the link closes when you reach it. Tap a path cell to cut the path back to it, step back onto the previous cell to retract, and use Undo or Clear when a plan goes wrong. A move the rules refuse flashes red; a terminal turns red when its pair can no longer be joined through the free cells. Every board is checked when the site is built to have exactly one answer, found by a search that settles quickly, so a little reasoning always beats guessing.
Tip one: the edge is a corridor. A terminal sitting against the edge of the board usually has to run along that edge, because the cells beside it can be reached by nothing else; fill the border cells first and the middle untangles. Tip two: every cell must be used. If a cell has only one free neighbour, the path through it has to turn there and come back out the same side, which fixes a whole corner; and a pocket of free cells with a single way in has to be a detour for whichever path passes its mouth. Count the free cells left between two pairs and give the gap to the one that cannot avoid it.
Everyone gets the same board on the same UTC day: 6×6 with five to seven pairs on weekdays, 7×7 with seven to nine pairs at the weekend, and newcomers can switch on the 5×5 warm-up, which still counts. One hint a day draws the next correct cell of the path you are on and marks the result as assisted. When the last cell is used the links light up one after another and the status board signs off with your time. The archive lets you play any earlier day's board and practice boards come from a spare pool; both are marked and never count. Signal Path is a fan puzzle with made-up service names; nothing here reports the state of any real service, and nothing is presented as official. For a tile puzzle try Packet Pipes; for a word, the Status Word.
Questions
What are the rules?
Every numbered pair of terminals must be joined by one continuous path that runs through grid cells, up, down, left or right. Paths never cross, never share a cell, and when you are done every cell on the board belongs to a path. Tap a terminal, then tap or drag through the cells to its partner. Every board here has exactly one answer.
What do the highlights mean?
A red flash marks a move the rules refuse: stepping onto another path or the wrong terminal. A red terminal means that pair can no longer be joined through the cells still free, so something has to come back. Both only check the rules, never the answer.
How do I fix a path?
Tap any cell of a path to cut it back to that cell, tap its terminal to start it again, or step back onto the previous cell while drawing. Undo takes back the last change and Clear wipes the board. One hint a day draws the next correct cell of the path you are on and marks the result as assisted.
What is the warm-up?
A 5×5 board with three or four pairs for newcomers, switched on with the Warm-up toggle (remembered on this device). It counts as the day's solve; the 6×6 weekday and 7×7 weekend boards are what the best times and the Full Mesh card are about.
Is any of this real?
No. Signal Path is a fan logic puzzle. The terminal names (Status API, Edge Cache, Login Gate and friends) are made up, nothing here is a map of any real service, and nothing is a status signal: for that, see the live status page.
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