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 746th firegene 🇮🇪 724 68 45ms 12 Oct 2024 746th JunkIce 724 68 19ms 24 Nov 2024 753rd dokutan 724 118 26ms 18 Jul 2025 754th jacobly0 🇺🇸 724 153 1,891ms 22 Apr 2024 755th primo-ppcg 🇹🇭 720 47 26ms 5 Feb 2022 756th Yewzir 🇧🇪 719 91 3ms 28 Mar 2024 757th MeWhenI 🇻🇦 718 75 9ms 9 Oct 2023 758th edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 759th GolfingSuccess 🇬🇷 717 33 50ms 22 Jul 2022 760th igmcdowell 717 65 10ms 23 Nov 2021 761st Shanethegamer 🇺🇸 717 74 2ms 18 May 2022 762nd prplz 🇦🇺 717 91 161ms 25 Jan 2021 763rd Alex-x90 🇺🇸 717 99 371ms 23 Jun 2022 764th msbranicky 716 67 745ms 17 Jan 2024 765th marshallward 🇺🇸 716 100 44ms 7 May 2025 766th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 767th prplz 🇦🇺 714 52 3ms 5 Feb 2021 768th tatzyr 🇯🇵 714 59 49ms 29 Dec 2024 769th abailey2020 🇺🇸 714 69 12ms 19 Feb 2021 769th Anonymousellama21 714 69 11ms 15 May 2022 769th TaserTheFox 🇺🇸 714 69 41ms 16 Feb 2023 769th Jacob385 714 69 52ms 22 Apr 2024 773rd elgan65536 712 106 161ms 26 Oct 2023 774th emgordon154 711 80 3,090ms 9 Aug 2025 775th MeWhenI 🇻🇦 711 90 1,145ms 14 Jun 2023 776th Feniske 🇫🇷 709 51 252ms 21 Nov 2023 777th chordowl 709 92 137ms 17 Mar 2021 778th marcin7Cd 709 103 30ms 12 Feb 2021 779th CaedenHarper 🇨🇦 708 84 371ms 21 days ago 780th rucin93 🇵🇱 707 60 131ms 9 Aug 2024 781st CaedenHarper 🇨🇦 706 64 1,442ms 6 Oct 2025 782nd omurakazuaki 🇯🇵 706 66 11ms 18 Feb 2021 782nd BambooleanLogic 🇸🇪 706 66 10ms 22 Aug 2022 782nd coreynash 706 66 9ms 21 Oct 2023 782nd two-bad 🇬🇧 706 66 10ms 24 Nov 2023 782nd dylanarmstrong 706 66 10ms 15 Jan 2024 782nd madeforlosers 706 66 9ms 2 days ago 788th Stockoh 🇫🇷 705 68 383ms 24 Jun 2024 788th JunkIce 705 68 467ms 3 Dec 2024 790th typeswitch-dev 🇵🇹 705 74 9ms 7 Aug 2023 791st antimon2 🇯🇵 704 65 451ms 19 Jan 2021 791st msbranicky 704 65 1,074ms 12 Sep 2023 793rd osmith93 704 70 34ms 14 Jun 2021 793rd ridingqwerty 🇺🇸 704 70 12ms 23 Feb 2024 793rd mbittner20 704 70 15ms 15 Jul 2024 793rd RaBa21 🇭🇺 704 70 13ms 18 Jul 2025 797th Shanethegamer 🇺🇸 704 91 41ms 16 Jun 2022 798th Herbert00709 🇵🇱 703 101 64ms 19 Nov 2024 799th SnowballSH 702 60 36ms 12 Feb 2021 799th aksyristos 702 60 48ms 28 Feb 2023 801st Shanethegamer 🇺🇸 700 77 14ms 9 Oct 2023 802nd UnderKoen 🇳🇱 700 134 11ms 20 Jan 2025 803rd MeWhenI 🇻🇦 700 238 13ms 29 Aug 2023 804th jared-hughes 699 44 7ms 31 Jul 2022 805th NewDefectus 🇮🇱 698 76 2ms 25 Oct 2021 805th JohandeRuiter 🇳🇱 698 76 3ms 3 Dec 2023 807th targrik 698 123 296ms 10 Jul 2025 808th AlephSquirrel 696 34 51ms 30 Dec 2022 809th jared-hughes 696 159 1,500ms 16 Sep 2025 810th DialFrost 🇸🇬 695 56 76ms 22 Jul 2024 811th targrik 695 57 5ms 26 Aug 2025 812th neihousaigaai 695 67 11ms 10 Apr 2021 813th Jacob385 695 69 444ms 22 Apr 2024 814th SnowballSH 694 71 12ms 12 Feb 2021 814th Andre3582 694 71 13ms 18 Mar 2021 814th PhysicDev 🇫🇷 694 71 12ms 20 May 2021 814th Alban-Boissard 694 71 14ms 10 Jun 2025 818th boxjelly 694 94 139ms 21 Jan 2021 818th YAJUE114514 694 94 142ms 24 Jul 2025 820th Espiobest 691 61 50ms 13 Feb 2021 820th DaCuteRaccoon 691 61 52ms 9 Dec 2022 822nd edsrzf 🇳🇿 691 91 26ms 21 Dec 2024 823rd msbranicky 689 95 7ms 11 Aug 2023 824th JGDoerrer 689 103 388ms 5 Jan 2022 824th tailorspy 689 103 59ms 29 Oct 2023 First Prev 751–825 of 1,811 Next Last