12 Days of Christmas in C# in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 1st JayXon 🇺🇸 1,000 431 367ms 12 Dec 2022 2nd tomtheisen 🇺🇸 960 449 365ms 12 Dec 2022 3rd primo-ppcg 🇹🇭 954 452 371ms 21 Nov 2021 4th AdrienHache 🇫🇷 933 462 364ms 8 Jan 2025 5th MeWhenI 🇻🇦 927 465 368ms 19 Jun 2025 6th namelessiw 921 468 356ms 26 Oct 2024 7th sean-niemann 🇺🇸 919 469 320ms 30 Oct 2024 8th peeveen 🇬🇧 909 474 325ms 8 Sep 2023 9th Attero 🇸🇪 905 476 327ms 21 Nov 2021 9th Gaddy 🇫🇷 905 476 350ms 3 May 2022 9th hemphen 905 476 344ms 28 Aug 2022 12th luciaaibarblanco 🇪🇸 904 477 371ms 21 Nov 2021 13th revlayle 🇺🇸 898 480 327ms 31 May 2022 14th jws305 894 482 347ms 21 Nov 2021 14th RainOrigami 🇩🇪 894 482 329ms 21 Dec 2021 16th jahakari 892 483 336ms 21 Nov 2021 16th SmartK8 🇨🇿 892 483 368ms 30 Oct 2022 18th iznax 890 484 340ms 21 Nov 2021 18th leth4 890 484 330ms 5 Jul 2023 20th annaproxy 889 485 322ms 5 May 2022 21st janbehrens 🇩🇪 887 486 339ms 21 Nov 2021 21st SubsTheTechnomancer 887 486 347ms 28 Feb 2023 21st snoozingnewt 🇺🇸 887 486 346ms 23 Sep 2023 21st neel11235813 887 486 338ms 26 Mar 2024 25th Timwi 885 487 350ms 4 Dec 2024 26th initram 883 488 342ms 21 Nov 2021 26th stefangimmillaro 883 488 384ms 20 Jun 2025 28th Shanethegamer 🇺🇸 878 491 421ms 31 Oct 2024 29th Seanharrs 871 495 340ms 15 Feb 2023 29th arctouch-cristiannevianna 871 495 359ms 7 Jun 2023 31st Yax42 🇫🇷 865 498 331ms 28 Jan 2025 32nd KatieLG 🇬🇧 864 499 354ms 15 Feb 2022 33rd MiffOttah 862 500 335ms 21 Nov 2021 33rd dpethes 862 500 342ms 10 Jan 2024 35th malworthy 860 501 347ms 24 Oct 2023 35th arcpolaris 860 501 327ms 27 Mar 2025 37th JonMartinTx 859 502 312ms 26 Apr 2024 37th najs91 859 502 335ms 8 Oct 2024 39th tomh1012 857 503 340ms 9 Dec 2022 40th Shnapster 855 504 342ms 23 Sep 2023 41st Tviljan 🇫🇮 850 507 358ms 21 Nov 2021 41st cryptoriddlerUIO 850 507 389ms 24 Feb 2025 43rd shawaa 848 508 343ms 10 Jun 2020 43rd roavin 848 508 342ms 5 Jun 2022 43rd billings7 🇬🇧 848 508 334ms 29 Dec 2022 46th JonMartin1990 847 509 355ms 7 days ago 47th aliakseikalosha 843 511 345ms 27 Jan 2022 48th Meowsan91 🇨🇿 842 512 326ms 21 Nov 2021 48th dokutan 842 512 328ms 23 Mar 2025 50th dorschmeister 840 513 341ms 18 May 2023 50th adam-chalmers 840 513 322ms 5 Oct 2024 52nd CaedenHarper 🇨🇦 837 515 363ms 21 Oct 2025 53rd renthist 835 516 332ms 29 Jan 2022 53rd kebal2 835 516 350ms 15 May 2025 55th Adix-null 🇱🇹 832 518 339ms 8 Jul 2023 56th onlmusha1 830 519 303ms 19 May 2023 57th pwninstein 829 520 332ms 21 Nov 2021 57th postie77 829 520 326ms 21 Dec 2022 59th lalkkot 818 527 375ms 27 Apr 2022 59th sabvdf 818 527 348ms 8 Dec 2022 59th TRexOnGit 818 527 358ms 15 Jan 2024 62nd ChrisTheisen 816 528 335ms 12 Dec 2022 63rd HumanEquivalentUnit 815 529 350ms 21 Nov 2021 64th C-Tyne 809 533 349ms 4 Apr 2025 65th ericlangedijk 🇸🇮 807 534 346ms 16 Mar 2022 66th MichalMarsalek 🇨🇿 804 536 327ms 9 Nov 2022 67th bdawgert 801 538 328ms 21 Nov 2021 67th matthewxbird 801 538 346ms 21 Nov 2021 69th okuzmeniuk 800 539 367ms 24 Jun 2025 70th CheeryProgrammer 798 540 357ms 21 Nov 2021 71st mandm-pt 797 541 307ms 21 Nov 2021 71st DaCuteRaccoon 797 541 364ms 1 Oct 2022 73rd ILMTitan 795 542 331ms 21 Nov 2021 74th RandGuy 792 544 321ms 1 Apr 2022 75th TimberStalker 786 548 358ms 16 Dec 2021 1–75 of 152 Next Last