Standard 6x6 Sudoku rules apply. The digits 1-6 appear exactly one in each row, column, and 2x3 box.
Each digit in the grid represents a skyscraper of that height. If a cell contains an arrow, then the number in that cell denotes the number of skyscrapers that are visible in that direction from this vantage point (on the ground). Higher skyscrapers hide lower skyscrapers.
Playable link here
This puzzle is a smaller version of my Whirlwind puzzle
Solution code: Row 3, Row 5
on 12. March 2021, 17:14 by Dandelo
If someone is interested: There are some more puzzles of this scyscraper variation (without sudoku areas) on this site, in the contest engine. E.g. in https://logic-masters.de/Wettbewerbe/CE/wettbewerb.php?id=109 you find two.
on 12. March 2021, 05:12 by bram
Added proper skyscraper tag
on 12. March 2021, 05:12 by bram
Added Sudoku tag