Vice Skyline
A daily skyscraper logic puzzle: place towers so every edge clue counts the towers you can see.
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Vice Skyline
Today's block is on its way.
Today's block
Time 0:00
Tap a cell, then a height. Every row and column holds each height once; the edge numbers count the towers in view.
Finish the block to file your time.
Next skyline at midnight UTC.
How everyone did today appears here once 20 players have finished.
0Solved
0Streak
0Best streak
–Best 5×5
–Best 6×6
–Average
Today's card shows the clue frame and a city silhouette, your time band, streak and the days to launch; a card for an earlier day shows that day's finished skyline. Never today's answer.
Every row and column holds each height once. 5×5 on weekdays, 6×6 at the weekend, a 4×4 warm-up, pencil marks, one hint, a streak, personal bests and a spoiler-free result to share. A fan puzzle on an imagined block.
How to play
The block is a square grid with numbers around its edge. Put a tower of height 1 to N in every cell so that every row and every column holds each height exactly once, and every edge number equals how many towers you can see from there, looking along its row or column, with a taller tower hiding every shorter tower behind it. Tap a cell, then a height; tap the same height again to take it out; the pencil toggle jots candidate heights instead. A cell that repeats a height in its row or column turns red, as does a clue that a finished line no longer meets, and those checks only ever look at the rules, never at the answer. Every block is checked when the site is built to have exactly one answer, found by a backtracking search with clue pruning that settles within a documented step bound, and the 1 and N clues alone are never enough to finish it, so there is always some real sightline reasoning to do.
Tip one: a 1 and an N are the big giveaways. A clue of 1 means the tallest tower, height N, stands right at that edge; a clue of N means the whole line climbs in order, 1, 2, 3 up to N from that side. Place those first. Tip two: a 2 hides the tallest just behind the first. With a clue of 2, the tallest tower can never be in the second cell from that edge (the first tower would be the only one before it, and then you would see exactly 2 only if nothing taller came earlier, which is impossible for N), and more generally the tallest tower is never in the first k-1 cells behind a clue of k. Pair that with the Latin rule: once a height is in a row, it is out of every other cell of that row and column, and a pencilled candidate that is the only place left for a height in its line is the answer.
Everyone gets the same block on the same UTC day: 5×5 on weekdays, 6×6 at the weekend (sometimes with a starting tower or two), and newcomers can switch on the 4×4 warm-up, which still counts. One hint a day fills one correct cell and marks the result as assisted. When the last tower is placed the skyline lights up tower by tower and the city desk signs off with your time. The archive lets you play any earlier day's block and practice blocks come from a spare pool; both are marked and never count. Vice Skyline is a fan puzzle on an imagined block; nothing here is a building, a map or an asset from the game or any real city, and nothing is presented as official. For a bridge-building puzzle try Island Bridges; for a picture puzzle, Leonida Pixels.
Questions
What are the rules?
Every cell of the block takes a tower of height 1 to N (N is the size of the block), and every row and every column holds each height exactly once. A number on the edge says how many towers you can see from there looking along that row or column: a taller tower hides every shorter tower behind it. Every block here has exactly one answer.
How do I place a tower?
Tap a cell, then tap a height on the pad (or type the digit). Tap the same height again to take it out, or use the eraser. The pencil toggle (or Shift with a digit) jots small candidate heights in a cell instead. Undo takes back the last change and Clear empties everything but the starting towers.
What do the highlights mean?
A red cell repeats a height already in its row or column; a red clue is one that a completed row or column no longer meets. Both only check the rules, never the answer. One hint a day fills one correct cell (the one you have selected if it is wrong or empty) and marks the result as assisted.
What is the warm-up?
A 4×4 block for newcomers, switched on with the Warm-up toggle (remembered on this device). It counts as the day's solve; the 5×5 weekday and 6×6 weekend blocks are what the best times and the Skyline Architect card are about.
Is this a map of anything?
No. Vice Skyline is a fan logic puzzle on an imagined neon block. The towers are abstract, nothing here is a building, a map or an asset from the game or any real city, and nothing is presented as official.
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