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 Continued Fractions Crossword 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 Continued Fractions Crossword 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 826th JGDoerrer 689 103 372ms 5 Jan 2022 826th tailorspy 689 103 57ms 29 Oct 2023 828th Shanethegamer 🇺🇸 689 106 19ms 4 Oct 2024 829th NewDefectus 🇮🇱 688 32 38ms 20 Dec 2021 830th GolfingSuccess 🇬🇷 688 69 35ms 17 Aug 2024 831st Andriamanitra 🇫🇮 687 95 186ms 20 Jul 2023 832nd KasperKivimaeki 🇫🇮 687 125 258ms 3 Oct 2025 833rd LeeCamp 684 72 10ms 16 Feb 2022 833rd LukasFolwarczny 🇨🇿 684 72 11ms 16 Sep 2022 833rd CutSandstone 684 72 36ms 8 Jul 2024 836th msbranicky 684 89 2ms 26 Sep 2023 837th Shanethegamer 🇺🇸 678 126 27ms 8 Jul 2021 838th dokutan 677 59 3ms 18 Jul 2025 839th jared-hughes 676 35 54ms 31 Jul 2022 839th Natanaelel 🇸🇪 676 35 48ms 18 Aug 2022 841st SirBogman 🇺🇸 676 44 226ms 22 Oct 2021 842nd Yewzir 🇧🇪 676 88 325ms 14 Oct 2023 843rd richard-oelze 🇩🇪 675 73 31ms 4 Apr 2021 843rd mauro-1 🇮🇹 675 73 9ms 18 Aug 2021 843rd gchenfc 675 73 9ms 24 Jan 2022 843rd hiichbindermax 675 73 10ms 26 Feb 2022 843rd Omega65536 🇩🇪 675 73 11ms 24 Nov 2022 843rd sandorstormen 675 73 11ms 18 Feb 2023 843rd Mr-McChicken 675 73 11ms 15 Oct 2023 843rd Masttest 675 73 10ms 21 Feb 2024 851st dokutan 675 99 344ms 24 Sep 2025 852nd janbehrens 🇩🇪 673 68 1,067ms 9 Apr 2021 853rd madex 🇩🇪 672 79 2ms 11 Jul 2024 854th msbranicky 672 80 4ms 11 Oct 2023 855th rboath 671 58 78ms 8 Jan 2025 856th 5quiwyrm 670 54 234ms 5 Dec 2024 857th I-Love-47 🇺🇦 670 106 53ms 10 Feb 2022 858th CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 859th jameslindesay 666 74 11ms 24 Feb 2021 859th PkmnQ 666 74 37ms 5 May 2024 859th RedzGoose 🇦🇺 666 74 10ms 14 Oct 2024 859th yokasuretsu 666 74 11ms 13 Jan 2025 863rd snoozingnewt 🇺🇸 666 98 112ms 23 days ago 864th Natanaelel 🇸🇪 663 56 4ms 20 Jan 2024 865th MeWhenI 🇻🇦 663 69 340ms 15 Feb 2023 865th MarcMush 🇫🇷 663 69 307ms 12 Feb 2024 865th Yewzir 🇧🇪 663 69 350ms 5 Apr 2024 868th DialFrost 🇸🇬 663 75 112ms 3 Jun 2025 869th 77Tigers 662 114 142ms 9 Apr 2024 870th dokutan 658 69 717ms 30 Aug 2025 871st Trunksistor 🇫🇷 657 75 11ms 25 May 2022 871st celiendonze 🇨🇭 657 75 11ms 16 Jun 2023 871st qwjhvbxi 657 75 11ms 9 Feb 2024 871st wenbang24 657 75 13ms 6 Apr 2024 875th SirBogman 🇺🇸 657 108 51ms 3 Jan 2022 876th uttumuttu 🇫🇮 656 71 8ms 8 Jan 2022 876th olleicua 🇺🇸 656 71 9ms 20 Feb 2024 878th annaproxy 656 91 99ms 13 Jan 2023 879th AdrienHache 🇫🇷 654 91 512ms 31 Dec 2023 880th emgordon154 653 65 137ms 6 Sep 2024 881st olivermrose 🇺🇸 652 57 4ms 24 Aug 2021 882nd boxjelly 648 65 37ms 11 Feb 2021 882nd msbranicky 648 65 43ms 12 Sep 2023 884th Waffle3z 648 76 12ms 20 Jan 2021 884th hellwue 648 76 11ms 16 Nov 2023 884th yuchuehw 648 76 18ms 18 Jan 2024 887th Bubbler-4 648 97 77ms 13 Sep 2023 887th Shanethegamer 🇺🇸 648 97 13ms 22 Dec 2023 889th jwhear 🇺🇸 647 171 1,651ms 1 Oct 2024 890th johnnythedoggie 644 106 105ms 3 Mar 2021 890th snoozingnewt 🇺🇸 644 106 97ms 43 hours ago 892nd NickTheEASDude 🇺🇸 641 95 2ms 1 Jul 2024 893rd emgordon154 641 98 11ms 10 Dec 2024 894th msbranicky 641 134 261ms 3 Oct 2023 895th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 896th f-tucker 640 77 10ms 2 Feb 2024 896th undefinedRyan 640 77 11ms 19 Apr 2025 896th Emutis 🇱🇹 640 77 11ms 12 Sep 2025 899th alomiF 640 102 139ms 4 Nov 2024 900th Maznek 638 73 10ms 30 Jun 2023 First Prev 826–900 of 1,851 Next Last