Kolakoski Constant in all languages in chars. 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 376th Natanaelel 🇸🇪 555 88 10 Sep 2021 377th MeWhenI 🇻🇦 551 238 10 Feb 2023 378th CedricGebistorf 549 111 9 Mar 2022 379th Shanethegamer 🇺🇸 548 158 20 May 2022 380th m-tkach 🇺🇦 547 240 17 Dec 2022 381st dokutan 546 107 21 Mar 2025 382nd xiBread 🇺🇸 543 90 28 Oct 2021 382nd BrenSchaap 543 90 13 Nov 2021 384th MeWhenI 🇻🇦 540 78 28 Feb 2025 385th dokutan 540 243 19 Aug 2024 386th rschwa6308 🇺🇸 539 113 28 Jun 2021 386th namelessiw 539 113 11 Jan 2024 388th dokutan 539 222 3 Apr 2024 389th edsrzf 🇳🇿 537 177 20 Dec 2024 390th Yewzir 🇧🇪 535 245 3 Jan 2024 391st dokutan 533 427 8 Dec 2023 392nd dokutan 532 371 13 Jan 2025 393rd scpchicken 🇵🇼 531 93 17 Feb 2023 394th msbranicky 531 247 3 Oct 2023 394th stefangimmillaro 531 247 13 Dec 2024 396th pschmid0 🇺🇸 530 182 9 Oct 2022 397th Yewzir 🇧🇪 529 228 6 Jul 2023 398th petroselo 525 116 16 Nov 2021 398th amollberg 🇸🇪 525 116 30 Jan 2022 398th CatsAreFluffy 525 116 10 Jan 2023 398th JunkIce 525 116 7 Mar 2025 398th snoozingnewt 🇺🇸 525 116 31 Mar 2025 403rd SirBogman 🇺🇸 525 205 2 Jan 2022 404th dokutan 524 250 6 Jan 2024 405th m-tkach 🇺🇦 524 570 20 Jan 2024 406th coreynash 521 131 24 Oct 2023 407th lynn 520 574 6 Aug 2023 408th namelessiw 517 113 5 Mar 2024 409th MeWhenI 🇻🇦 517 114 15 Feb 2023 410th yuchuehw 516 118 18 Jan 2024 411th johndevou 513 210 18 Nov 2021 412th MeWhenI 🇻🇦 513 239 3 Dec 2021 413th commandblockguy 🇺🇸 512 114 15 Jan 2024 414th lifthrasiir 🇰🇷 510 578 19 Dec 2024 415th Yewzir 🇧🇪 508 223 18 Feb 2024 416th MeWhenI 🇻🇦 508 588 6 Jun 2023 417th knutae 🇳🇴 507 120 29 Jun 2021 418th CatsAreFluffy 504 116 15 Jan 2024 418th JunkIce 504 116 7 Mar 2025 420th dokutan 501 226 11 Jan 2024 421st guilhem-roy 🇫🇷 499 122 28 Feb 2022 421st inverseLorentz 🇦🇺 499 122 24 Oct 2023 423rd dokutan 499 246 24 Jun 2024 424th h3ra993huskp 🇯🇵 499 347 21 Jan 2024 425th m-tkach 🇺🇦 485 222 17 Dec 2022 425th Yewzir 🇧🇪 485 222 22 Dec 2023 427th Waffle3z 484 101 17 Jan 2021 428th two-bad 🇬🇧 484 141 25 Feb 2024 429th LukasFolwarczny 🇨🇿 483 126 16 Sep 2022 430th yzhs 🇩🇪 481 180 24 Jul 2021 431st osmith93 479 127 10 Jul 2022 432nd frosster 478 250 13 Mar 2025 433rd alemelis 472 125 14 Aug 2024 434th dokutan 470 229 1 May 2024 435th Yewzir 🇧🇪 470 362 27 Apr 2024 436th Yewzir 🇧🇪 469 242 11 Feb 2024 437th edsrzf 🇳🇿 468 130 20 Dec 2024 437th yokasuretsu 468 130 13 Jan 2025 437th WillowWispy 468 130 16 Mar 2025 440th NickTheEASDude 🇺🇸 465 131 20 Aug 2024 441st jared-hughes 465 233 17 Jul 2022 442nd Shanethegamer 🇺🇸 457 248 12 Dec 2021 443rd KatieLG 🇬🇧 455 150 18 Apr 2021 443rd eranws 455 150 2 Nov 2022 443rd janbehrens 🇩🇪 455 150 3 Dec 2023 446th dokutan 455 249 21 Aug 2024 447th adamnielson42 🇺🇸 453 93 20 Nov 2023 448th glesnick 451 135 18 Aug 2022 448th cdesodt 451 135 19 Sep 2023 450th LucaArgentiUCF 🇮🇹 448 294 28 Jan 2021 Prev 376–450 of 1,590 Next