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 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 441st namelessiw 849 58 44ms 27 Jul 2024 441st edsrzf 🇳🇿 849 58 18ms 22 Nov 2024 441st ryyyn 🇺🇸 849 58 27ms 6 Jan 2025 441st croc54 849 58 36ms 9 Jan 2025 441st andrewjc2000 849 58 31ms 11 Mar 2025 441st wuduculfre 849 58 29ms 22 Jul 2025 441st cros107 🇦🇺 849 58 11ms 16 Sep 2025 441st blaztoma 🇱🇹 849 58 40ms 30 Sep 2025 441st mossiegoat 849 58 12ms 17 days ago 460th MeWhenI 🇻🇦 849 65 7ms 24 Dec 2024 461st Shanethegamer 🇺🇸 849 67 3,445ms 27 Oct 2024 461st pardouin 🇫🇷 849 67 3,488ms 23 Dec 2024 463rd kg583 🇺🇸 849 86 12ms 1 Sep 2025 464th Yewzir 🇧🇪 849 130 1,902ms 27 Apr 2024 465th sisyphus-ppcg 🇦🇺 848 89 118ms 25 Jan 2021 465th Bubbler-4 848 89 118ms 1 Jul 2021 467th jared-hughes 847 55 10ms 31 Jul 2022 467th emgordon154 847 55 9ms 4 Mar 2025 469th ovs-code 🇩🇪 847 81 468ms 15 Jun 2024 470th Shanethegamer 🇺🇸 845 77 311ms 9 Jun 2022 471st jared-hughes 845 84 57ms 31 Jul 2022 472nd dokutan 843 47 4ms 18 Jul 2025 473rd Shanethegamer 🇺🇸 843 50 37ms 22 Mar 2023 473rd MeWhenI 🇻🇦 843 50 53ms 22 Mar 2023 475th emgordon154 843 131 1,742ms 29 Nov 2024 476th Steffan153 🇫🇮 842 63 2ms 23 Mar 2023 476th stefangimmillaro 842 63 2ms 18 Sep 2023 476th xsot 🇸🇬 842 63 2ms 6 May 2025 476th KasperKivimaeki 🇫🇮 842 63 2ms 14 Aug 2025 480th rucin93 🇵🇱 842 64 3ms 22 Jul 2024 481st MeWhenI 🇻🇦 842 76 47ms 16 Jun 2022 482nd btnlq 841 43 216ms 26 Jan 2021 482nd primo-ppcg 🇹🇭 841 43 190ms 25 May 2021 484th MeWhenI 🇻🇦 841 57 485ms 17 Jan 2024 484th SirBogman 🇺🇸 841 57 438ms 10 Jun 2024 484th snoozingnewt 🇺🇸 841 57 431ms 23 days ago 487th fuzzylojik-golf 🇺🇸 840 22 5ms 6 Sep 2025 488th primo-ppcg 🇹🇭 839 87 29ms 25 Jan 2023 489th acotis 838 90 127ms 3 Oct 2025 490th marcin7Cd 835 59 10ms 16 Jan 2021 490th AlephSquirrel 835 59 13ms 13 May 2021 490th rschwa6308 🇺🇸 835 59 12ms 28 Jun 2021 490th NewDefectus 🇮🇱 835 59 13ms 25 Oct 2021 490th jacksonhenry3 835 59 13ms 21 Dec 2021 490th NicoAdams 835 59 14ms 21 Dec 2021 490th yzhs 🇩🇪 835 59 12ms 7 Jun 2022 490th aksyristos 835 59 11ms 28 Feb 2023 490th BREMAUCY 🇫🇷 835 59 11ms 27 Apr 2023 490th MarcMush 🇫🇷 835 59 11ms 12 Feb 2024 500th primo-ppcg 🇹🇭 835 85 54ms 18 Jan 2022 500th 09cf 835 85 55ms 24 Sep 2023 502nd GrayJoKing 🇦🇺 833 57 47ms 5 Sep 2024 503rd MeWhenI 🇻🇦 832 56 12ms 8 Jun 2022 503rd Yewzir 🇧🇪 832 56 10ms 16 Nov 2023 503rd voytxt 🇨🇿 832 56 9ms 25 Jan 2025 503rd targrik 832 56 8ms 21 Feb 2025 507th sean-niemann 🇺🇸 832 77 45ms 18 Dec 2023 508th kritixilithos 831 58 3ms 29 May 2024 509th primo-ppcg 🇹🇭 831 77 1,302ms 30 Nov 2021 510th sisyphus-ppcg 🇦🇺 829 60 118ms 25 Feb 2021 511th inventshah 829 64 2ms 17 Nov 2022 511th DialFrost 🇸🇬 829 64 2ms 12 hours ago 513th GrayJoKing 🇦🇺 829 65 4ms 9 Nov 2023 514th Kacarott 🇦🇺 827 58 437ms 15 Jan 2024 514th Natanaelel 🇸🇪 827 58 452ms 20 Jan 2024 514th AlephSquirrel 827 58 405ms 21 Jan 2024 514th CaedenHarper 🇨🇦 827 58 388ms 8 Aug 2024 514th namelessiw 827 58 485ms 15 Aug 2024 519th m-ender 🇩🇪 827 89 229ms 23 Apr 2021 520th Irratix 🇳🇱 826 51 42ms 4 Mar 2022 521st Yewzir 🇧🇪 826 83 371ms 16 Nov 2023 522nd MeWhenI 🇻🇦 825 104 271ms 8 Feb 2023 523rd MeWhenI 🇻🇦 824 78 112ms 14 Oct 2022 524th Shanethegamer 🇺🇸 823 83 83ms 19 Apr 2022 525th GrayJoKing 🇦🇺 822 81 115ms 14 Mar 2022 First Prev 451–525 of 1,809 Next Last