12 Days of Christmas in C# in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 Tower of Hanoi 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st JayXon 🇺🇸 1,000 251 416ms 18 Dec 2024 2nd AdrienHache 🇫🇷 810 310 435ms 18 Dec 2024 3rd tomtheisen 🇺🇸 799 314 436ms 30 Jan 2023 4th stefangimmillaro 719 349 456ms 13 Aug 2023 5th namelessiw 701 358 445ms 26 Oct 2024 6th SmartK8 🇨🇿 662 379 430ms 26 Oct 2022 7th ChristophHornung 635 395 420ms 12 May 2020 7th fleischa 635 395 374ms 12 May 2020 9th Attero 🇸🇪 609 412 415ms 25 May 2020 10th Timwi 600 418 418ms 4 Dec 2024 11th primo-ppcg 🇹🇭 555 452 459ms 21 Nov 2021 12th tdkkdt 🇷🇺 553 454 441ms 21 Nov 2021 13th MeWhenI 🇻🇦 540 465 467ms 19 Jun 2025 14th sean-niemann 🇺🇸 535 469 388ms 30 Oct 2024 15th peeveen 🇬🇧 530 474 417ms 8 Sep 2023 16th Gaddy 🇫🇷 527 476 437ms 3 May 2022 16th hemphen 527 476 425ms 28 Aug 2022 18th luciaaibarblanco 🇪🇸 526 477 437ms 21 Nov 2021 19th revlayle 🇺🇸 523 480 406ms 31 May 2022 20th tomh1012 522 481 418ms 3 Dec 2025 21st jws305 521 482 439ms 21 Nov 2021 21st RainOrigami 🇩🇪 521 482 430ms 21 Dec 2021 23rd jahakari 520 483 435ms 21 Nov 2021 24th iznax 519 484 398ms 21 Nov 2021 24th leth4 519 484 404ms 5 Jul 2023 26th annaproxy 518 485 361ms 5 May 2022 27th janbehrens 🇩🇪 516 486 396ms 21 Nov 2021 27th SubsTheTechnomancer 516 486 413ms 28 Feb 2023 27th snoozingnewt 🇨🇦 516 486 416ms 23 Sep 2023 27th neel11235813 516 486 441ms 26 Mar 2024 27th Yax42 🇫🇷 516 486 421ms 24 Nov 2025 32nd initram 514 488 422ms 21 Nov 2021 33rd Shanethegamer 🇺🇸 511 491 430ms 31 Oct 2024 34th dokutan 508 494 418ms 30 Nov 2025 35th Seanharrs 507 495 410ms 15 Feb 2023 35th arctouch-cristiannevianna 507 495 454ms 7 Jun 2023 37th KatieLG 🇬🇧 503 499 457ms 15 Feb 2022 38th MiffOttah 502 500 407ms 21 Nov 2021 38th dpethes 502 500 410ms 10 Jan 2024 40th malworthy 501 501 400ms 24 Oct 2023 40th arcpolaris 501 501 448ms 27 Mar 2025 42nd JonMartinTx 500 502 405ms 26 Apr 2024 42nd najs91 500 502 438ms 8 Oct 2024 44th Shnapster 498 504 429ms 23 Sep 2023 44th amazingalek 498 504 416ms 20 days ago 46th Adix-null 🇱🇹 496 506 470ms 30 Nov 2025 47th Tviljan 🇫🇮 495 507 425ms 21 Nov 2021 47th cryptoriddlerUIO 495 507 455ms 24 Feb 2025 49th shawaa 494 508 432ms 10 Jun 2020 49th roavin 494 508 416ms 5 Jun 2022 49th billings7 🇬🇧 494 508 405ms 29 Dec 2022 52nd JonMartin1990 493 509 457ms 13 Nov 2025 53rd aliakseikalosha 491 511 438ms 27 Jan 2022 54th Meowsan91 🇨🇿 490 512 404ms 21 Nov 2021 55th matthewxbird 489 513 408ms 21 Nov 2021 55th dorschmeister 489 513 376ms 18 May 2023 55th adam-chalmers 489 513 474ms 5 Oct 2024 58th CaedenHarper 🇨🇦 487 515 431ms 21 Oct 2025 59th renthist 486 516 414ms 29 Jan 2022 59th kebal2 486 516 443ms 15 May 2025 61st onlmusha1 484 519 391ms 19 May 2023 62nd pwninstein 483 520 425ms 21 Nov 2021 62nd postie77 483 520 408ms 21 Dec 2022 64th qrakhen 480 523 468ms 24 days ago 65th lalkkot 476 527 444ms 27 Apr 2022 65th sabvdf 476 527 425ms 8 Dec 2022 65th TRexOnGit 476 527 440ms 15 Jan 2024 68th ChrisTheisen 475 528 434ms 12 Dec 2022 69th HumanEquivalentUnit 474 529 438ms 21 Nov 2021 70th C-Tyne 471 533 418ms 4 Apr 2025 71st ericlangedijk 🇸🇮 470 534 393ms 16 Mar 2022 72nd MichalMarsalek 🇨🇿 468 536 389ms 9 Nov 2022 73rd bdawgert 467 538 404ms 21 Nov 2021 74th okuzmeniuk 466 539 426ms 24 Jun 2025 75th CheeryProgrammer 465 540 444ms 21 Nov 2021 76th mandm-pt 464 541 382ms 21 Nov 2021 76th DaCuteRaccoon 464 541 429ms 1 Oct 2022 78th ILMTitan 463 542 411ms 21 Nov 2021 79th RandGuy 461 544 405ms 1 Apr 2022 80th TimberStalker 458 548 440ms 16 Dec 2021 1–80 of 158 Next Last