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 Mandelbrot 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 Topological Sort 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 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 Knight 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 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 Knight 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 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 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 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 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 Yewzir 🇧🇪 561 234 22 Dec 2023 377th stefangimmillaro 560 171 19 Nov 2024 378th marcin7Cd 559 109 9 Feb 2021 378th OllieBoyne 🇬🇧 559 109 25 May 2022 378th scpchicken 🇵🇼 559 109 28 Feb 2023 378th CutSandstone 559 109 8 Jul 2024 382nd dokutan 556 217 28 Mar 2024 383rd Natanaelel 🇸🇪 555 88 10 Sep 2021 384th qpwoeirut 554 110 13 hours ago 385th MeWhenI 🇻🇦 552 238 10 Feb 2023 386th CedricGebistorf 549 111 9 Mar 2022 387th Shanethegamer 🇺🇸 548 158 20 May 2022 388th m-tkach 🇺🇦 547 240 17 Dec 2022 389th dokutan 546 107 21 Mar 2025 390th xiBread 🇺🇸 543 90 28 Oct 2021 390th BrenSchaap 543 90 13 Nov 2021 392nd MeWhenI 🇻🇦 540 78 28 Feb 2025 393rd dokutan 540 222 3 Apr 2024 394th dokutan 540 243 19 Aug 2024 395th rschwa6308 🇺🇸 539 113 28 Jun 2021 395th namelessiw 539 113 11 Jan 2024 397th edsrzf 🇳🇿 537 177 20 Dec 2024 398th Yewzir 🇧🇪 536 245 3 Jan 2024 399th dokutan 535 427 8 Dec 2023 400th msbranicky 532 247 3 Oct 2023 400th stefangimmillaro 532 247 13 Dec 2024 402nd dokutan 532 371 13 Jan 2025 403rd scpchicken 🇵🇼 531 93 17 Feb 2023 404th ryyyn 🇺🇸 530 115 20 days ago 404th RaBa21 🇭🇺 530 115 9 days ago 406th pschmid0 🇺🇸 530 182 9 Oct 2022 407th Yewzir 🇧🇪 529 228 6 Jul 2023 408th petroselo 525 116 16 Nov 2021 408th amollberg 🇸🇪 525 116 30 Jan 2022 408th CatsAreFluffy 525 116 10 Jan 2023 408th JunkIce 525 116 7 Mar 2025 408th snoozingnewt 🇺🇸 525 116 31 Mar 2025 413th SirBogman 🇺🇸 525 205 2 Jan 2022 414th dokutan 525 250 6 Jan 2024 415th m-tkach 🇺🇦 524 570 20 Jan 2024 416th coreynash 521 131 24 Oct 2023 417th lynn 520 574 6 Aug 2023 418th namelessiw 517 113 5 Mar 2024 419th MeWhenI 🇻🇦 517 114 15 Feb 2023 420th yuchuehw 516 118 18 Jan 2024 421st johndevou 513 210 18 Nov 2021 422nd MeWhenI 🇻🇦 513 239 3 Dec 2021 423rd commandblockguy 🇺🇸 512 114 15 Jan 2024 424th lifthrasiir 🇰🇷 510 578 19 Dec 2024 425th knutae 🇳🇴 508 120 29 Jun 2021 426th Yewzir 🇧🇪 508 223 18 Feb 2024 427th MeWhenI 🇻🇦 508 588 6 Jun 2023 428th dokutan 507 242 1 Jul 2025 429th CatsAreFluffy 504 116 15 Jan 2024 429th JunkIce 504 116 7 Mar 2025 431st dokutan 501 226 11 Jan 2024 432nd guilhem-roy 🇫🇷 499 122 28 Feb 2022 432nd inverseLorentz 🇦🇺 499 122 24 Oct 2023 434th h3ra993huskp 🇯🇵 499 347 21 Jan 2024 435th m-tkach 🇺🇦 485 222 17 Dec 2022 435th Yewzir 🇧🇪 485 222 22 Dec 2023 437th Waffle3z 484 101 17 Jan 2021 438th LukasFolwarczny 🇨🇿 484 126 16 Sep 2022 439th two-bad 🇬🇧 484 141 25 Feb 2024 440th yzhs 🇩🇪 481 180 24 Jul 2021 441st osmith93 480 127 10 Jul 2022 442nd frosster 480 250 13 Mar 2025 443rd alemelis 472 125 14 Aug 2024 444th dokutan 470 229 1 May 2024 445th Yewzir 🇧🇪 470 362 27 Apr 2024 446th edsrzf 🇳🇿 469 130 20 Dec 2024 446th yokasuretsu 469 130 13 Jan 2025 446th WillowWispy 469 130 16 Mar 2025 449th Yewzir 🇧🇪 469 242 11 Feb 2024 450th jared-hughes 466 233 17 Jul 2022 Prev 376–450 of 1,621 Next