Kolakoski Sequence in all languages in bytes. 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 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 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 Bytes Time Submitted 901st annaproxy 642 93 99ms 24 Dec 2022 902nd NickTheEASDude 🇺🇸 641 95 2ms 1 Jul 2024 903rd emgordon154 641 98 11ms 10 Dec 2024 904th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 905th KatieLG 🇬🇧 640 77 253ms 2 Oct 2022 906th alomiF 640 102 139ms 4 Nov 2024 907th CaedenHarper 🇨🇦 640 107 357ms 6 Oct 2025 908th Maznek 638 73 12ms 30 Jun 2023 909th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 910th ashtraypettingzoo 🇺🇸 636 36 35ms 23 Feb 2023 911th twocatsinatrenchcoat 636 79 9ms 29 Mar 2022 911th SniperSmiley 🇺🇸 636 79 36ms 23 Jun 2022 911th Glinte 636 79 16ms 14 Dec 2023 911th Bmrl7 636 79 13ms 19 Mar 2024 915th Shanethegamer 🇺🇸 635 57 212ms 27 Jul 2023 916th sreyfe 635 119 166ms 9 Jun 2024 917th edsrzf 🇳🇿 635 138 256ms 21 Dec 2024 918th MateuszPietrzak 🇵🇱 634 112 55ms 16 Jan 2024 919th SirFireball3521 632 58 113ms 2 Mar 2023 920th MeWhenI 🇻🇦 632 90 3,172ms 24 Oct 2024 921st emgordon154 632 186 913ms 30 May 2025 922nd dokutan 631 76 544ms 24 Mar 2025 923rd NewDefectus 🇮🇱 629 59 10ms 25 Oct 2021 924th janbehrens 🇩🇪 629 136 27ms 9 Jul 2021 925th bastienvoirin 🇫🇷 628 80 14ms 4 Feb 2021 925th argusdusty 🇺🇸 628 80 17ms 25 Mar 2021 925th OppositeShark 628 80 11ms 9 Apr 2022 925th WillowWispy 628 80 10ms 16 Mar 2025 929th AkashTandon167 628 86 2ms 25 May 2021 930th Shanethegamer 🇺🇸 624 64 2ms 26 Jul 2023 931st emgordon154 622 151 8ms 6 Oct 2024 932nd janbehrens 🇩🇪 620 68 42ms 18 Jan 2021 933rd vodker1 620 81 10ms 9 Mar 2022 933rd tooningelaere 620 81 9ms 5 Dec 2022 935th Herbert00709 🇵🇱 620 87 2ms 19 Nov 2024 936th Yewzir 🇧🇪 619 64 4ms 16 Nov 2023 937th dokutan 618 106 12ms 24 Mar 2025 938th Shanethegamer 🇺🇸 614 85 4ms 21 Dec 2024 939th codename68 614 123 144ms 13 Aug 2022 940th Natanaelel 🇸🇪 613 88 2ms 9 May 2024 941st orthoplex 🇨🇽 613 153 17ms 25 Jun 2023 942nd fynnkroeger 612 82 10ms 24 Mar 2021 942nd BrenSchaap 612 82 11ms 21 Oct 2021 942nd MichaelMBradley 🇨🇦 612 82 9ms 18 Feb 2022 945th primo-ppcg 🇹🇭 612 112 295ms 2 Aug 2021 945th Lydxn 🇨🇦 612 112 297ms 28 Feb 2022 947th Shanethegamer 🇺🇸 612 192 845ms 2 Apr 2025 948th omurakazuaki 🇯🇵 611 69 41ms 19 Feb 2021 949th Shanethegamer 🇺🇸 610 65 5ms 2 Aug 2022 950th albanian-laundromat 610 105 39ms 3 Sep 2025 951st JRaspass 🇬🇧 608 61 3ms 5 Sep 2021 952nd janbehrens 🇩🇪 606 113 304ms 1 Aug 2021 952nd Irratix 🇳🇱 606 113 316ms 8 Dec 2021 952nd Steffan153 🇫🇮 606 113 304ms 10 Feb 2023 955th AbhayAravinda 605 77 9ms 1 May 2021 956th Brianzhengca 605 83 10ms 1 Feb 2021 956th hymanimy 605 83 11ms 24 Aug 2021 956th nullie 605 83 10ms 9 Jun 2022 956th a-penton 605 83 11ms 22 Sep 2022 960th KevinMarquette 🇺🇸 603 60 229ms 21 Oct 2021 961st snoozingnewt 🇺🇸 602 70 45ms 10 Oct 2025 962nd ovs-code 🇩🇪 602 80 848ms 5 May 2023 963rd prplz 🇦🇺 601 114 304ms 1 Jun 2021 964th MeWhenI 🇻🇦 600 66 5ms 29 May 2023 965th jupj 🇫🇮 600 90 3ms 30 Aug 2022 966th guliyevemil1 🇦🇿 600 146 271ms 11 Feb 2021 967th Shanethegamer 🇺🇸 599 62 4ms 8 Dec 2021 968th Mabeloid 🇳🇴 599 126 150ms 20 days ago 969th gXLg 🇩🇪 598 84 18ms 22 Oct 2022 969th dylanjones92 598 84 12ms 19 Jan 2024 971st GrayJoKing 🇦🇺 598 172 3ms 18 Jan 2021 972nd BBoehm 🇩🇪 597 78 9ms 26 Jan 2021 972nd KatieLG 🇬🇧 597 78 9ms 16 Apr 2021 974th Betuaredead 596 115 305ms 14 Nov 2023 975th KatieLG 🇬🇧 594 115 96ms 14 Jan 2023 First Prev 901–975 of 1,863 Next Last