Kolakoski Sequence 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 450th Bubbler-4 844 89 1 Jul 2021 452nd jared-hughes 843 84 31 Jul 2022 453rd Shanethegamer 🇺🇸 842 50 22 Mar 2023 453rd MeWhenI 🇻🇦 842 50 22 Mar 2023 455th Steffan153 🇫🇮 842 63 23 Mar 2023 455th stefangimmillaro 842 63 18 Sep 2023 455th xsot 🇸🇬 842 63 6 May 2025 458th rucin93 🇵🇱 842 64 22 Jul 2024 459th MeWhenI 🇻🇦 841 57 17 Jan 2024 459th SirBogman 🇺🇸 841 57 10 Jun 2024 461st btnlq 840 43 26 Jan 2021 461st primo-ppcg 🇹🇭 840 43 25 May 2021 463rd MeWhenI 🇻🇦 840 76 16 Jun 2022 464th primo-ppcg 🇹🇭 838 87 25 Jan 2023 465th marcin7Cd 834 59 16 Jan 2021 465th AlephSquirrel 834 59 13 May 2021 465th rschwa6308 🇺🇸 834 59 28 Jun 2021 465th NewDefectus 🇮🇱 834 59 25 Oct 2021 465th jacksonhenry3 834 59 21 Dec 2021 465th NicoAdams 834 59 21 Dec 2021 465th yzhs 🇩🇪 834 59 7 Jun 2022 465th aksyristos 834 59 28 Feb 2023 465th BREMAUCY 🇫🇷 834 59 27 Apr 2023 465th MarcMush 🇫🇷 834 59 12 Feb 2024 475th primo-ppcg 🇹🇭 833 85 18 Jan 2022 475th 09cf 833 85 24 Sep 2023 477th MeWhenI 🇻🇦 831 56 8 Jun 2022 477th Yewzir 🇧🇪 831 56 16 Nov 2023 477th voytxt 🇨🇿 831 56 25 Jan 2025 477th targrik 831 56 21 Feb 2025 481st GrayJoKing 🇦🇺 831 57 5 Sep 2024 482nd kritixilithos 829 58 29 May 2024 483rd GrayJoKing 🇦🇺 829 65 9 Nov 2023 484th primo-ppcg 🇹🇭 829 77 30 Nov 2021 484th sean-niemann 🇺🇸 829 77 18 Dec 2023 486th inventshah 828 64 17 Nov 2022 486th KasperKivimaeki 🇫🇮 828 64 28 Mar 2025 488th Irratix 🇳🇱 826 51 4 Mar 2022 489th Kacarott 🇦🇺 826 58 15 Jan 2024 489th Natanaelel 🇸🇪 826 58 20 Jan 2024 489th AlephSquirrel 826 58 21 Jan 2024 489th CaedenHarper 🇨🇦 826 58 8 Aug 2024 489th namelessiw 826 58 15 Aug 2024 494th sisyphus-ppcg 🇦🇺 826 60 25 Feb 2021 495th Yewzir 🇧🇪 825 83 16 Nov 2023 496th m-ender 🇩🇪 824 89 23 Apr 2021 497th Shanethegamer 🇺🇸 823 121 13 Dec 2021 498th MeWhenI 🇻🇦 822 78 14 Oct 2022 499th MeWhenI 🇻🇦 822 104 8 Feb 2023 500th AGoyet 820 60 29 Jun 2022 500th betaveros 820 60 31 Dec 2022 500th AlexanderFair 820 60 23 Jun 2023 500th Andriamanitra 🇫🇮 820 60 20 Jul 2023 500th dranjohn 820 60 15 Sep 2023 500th inverseLorentz 🇦🇺 820 60 9 Apr 2024 500th cros107 820 60 30 Jun 2024 500th 051 🇸🇬 820 60 1 Aug 2024 500th qpwoeirut 820 60 7 Feb 2025 509th GrayJoKing 🇦🇺 820 81 14 Mar 2022 509th MeWhenI 🇻🇦 820 81 15 Nov 2022 511th Shanethegamer 🇺🇸 819 83 19 Apr 2022 512th kg583 🇺🇸 819 89 17 Oct 2024 513th NewDefectus 🇮🇱 817 57 1 Nov 2021 514th MeWhenI 🇻🇦 816 29 25 Aug 2022 515th ovs-code 🇩🇪 816 52 4 Aug 2024 516th prplz 🇦🇺 816 65 24 Jan 2021 516th sisyphus-ppcg 🇦🇺 816 65 25 Jan 2021 516th 09cf 816 65 24 Sep 2023 516th DialFrost 🇸🇬 816 65 6 May 2025 520th ovs-code 🇩🇪 816 66 10 Oct 2023 520th inventshah 816 66 22 Oct 2023 522nd inventshah 815 59 18 May 2022 522nd MeWhenI 🇻🇦 815 59 18 May 2022 524th GrayJoKing 🇦🇺 815 84 28 Feb 2022 525th MeWhenI 🇻🇦 814 27 16 Mar 2022 Prev 451–525 of 1,689 Next