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 xiBread 🇺🇸 543 90 28 Oct 2021 376th BrenSchaap 543 90 13 Nov 2021 378th MeWhenI 🇻🇦 540 78 28 Feb 2025 379th dokutan 540 243 19 Aug 2024 380th rschwa6308 🇺🇸 539 113 28 Jun 2021 380th namelessiw 539 113 11 Jan 2024 382nd dokutan 539 222 3 Apr 2024 383rd edsrzf 🇳🇿 537 177 20 Dec 2024 384th Yewzir 🇧🇪 535 245 3 Jan 2024 385th dokutan 533 427 8 Dec 2023 386th dokutan 532 371 13 Jan 2025 387th scpchicken 🇵🇼 531 93 17 Feb 2023 388th msbranicky 531 247 3 Oct 2023 388th stefangimmillaro 531 247 13 Dec 2024 390th pschmid0 🇺🇸 529 182 9 Oct 2022 391st Yewzir 🇧🇪 529 228 6 Jul 2023 392nd petroselo 525 116 16 Nov 2021 392nd amollberg 🇸🇪 525 116 30 Jan 2022 392nd CatsAreFluffy 525 116 10 Jan 2023 392nd JunkIce 525 116 7 Mar 2025 392nd snoozingnewt 🇺🇸 525 116 31 Mar 2025 397th SirBogman 🇺🇸 525 205 2 Jan 2022 398th dokutan 524 250 6 Jan 2024 399th m-tkach 🇺🇦 524 570 20 Jan 2024 400th coreynash 521 131 24 Oct 2023 401st lynn 520 574 6 Aug 2023 402nd namelessiw 517 113 5 Mar 2024 403rd MeWhenI 🇻🇦 517 114 15 Feb 2023 404th yuchuehw 516 118 18 Jan 2024 405th johndevou 513 210 18 Nov 2021 406th MeWhenI 🇻🇦 513 239 3 Dec 2021 407th commandblockguy 🇺🇸 512 114 15 Jan 2024 408th lifthrasiir 🇰🇷 510 578 19 Dec 2024 409th Yewzir 🇧🇪 508 223 18 Feb 2024 410th MeWhenI 🇻🇦 508 588 6 Jun 2023 411th knutae 🇳🇴 507 120 29 Jun 2021 412th CatsAreFluffy 504 116 15 Jan 2024 412th JunkIce 504 116 7 Mar 2025 414th dokutan 501 226 11 Jan 2024 415th guilhem-roy 🇫🇷 499 122 28 Feb 2022 415th inverseLorentz 🇦🇺 499 122 24 Oct 2023 417th dokutan 499 246 24 Jun 2024 418th h3ra993huskp 🇯🇵 499 347 21 Jan 2024 419th m-tkach 🇺🇦 485 222 17 Dec 2022 419th Yewzir 🇧🇪 485 222 22 Dec 2023 421st Waffle3z 484 101 17 Jan 2021 422nd two-bad 🇬🇧 484 141 25 Feb 2024 423rd LukasFolwarczny 🇨🇿 483 126 16 Sep 2022 424th yzhs 🇩🇪 481 180 24 Jul 2021 425th osmith93 479 127 10 Jul 2022 426th frosster 478 250 13 Mar 2025 427th alemelis 472 125 14 Aug 2024 428th dokutan 470 229 1 May 2024 429th Yewzir 🇧🇪 470 362 27 Apr 2024 430th Yewzir 🇧🇪 469 242 11 Feb 2024 431st edsrzf 🇳🇿 468 130 20 Dec 2024 431st yokasuretsu 468 130 13 Jan 2025 431st WillowWispy 468 130 16 Mar 2025 434th NickTheEASDude 🇺🇸 465 131 20 Aug 2024 435th jared-hughes 465 233 17 Jul 2022 436th Shanethegamer 🇺🇸 457 248 12 Dec 2021 437th KatieLG 🇬🇧 455 150 18 Apr 2021 437th eranws 455 150 2 Nov 2022 437th janbehrens 🇩🇪 455 150 3 Dec 2023 440th dokutan 455 249 21 Aug 2024 441st adamnielson42 🇺🇸 453 93 20 Nov 2023 442nd glesnick 451 135 18 Aug 2022 442nd cdesodt 451 135 19 Sep 2023 444th LucaArgentiUCF 🇮🇹 448 294 28 Jan 2021 445th KatieLG 🇬🇧 444 110 29 Dec 2024 446th Pyroan 441 138 22 days ago 447th michelebastione 🇮🇹 438 139 10 Apr 2021 447th cubed-guy 438 139 2 Nov 2022 449th dokutan 438 231 23 Aug 2024 450th MeWhenI 🇻🇦 438 399 10 Jul 2021 Prev 376–450 of 1,582 Next