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Kolakoski Sequence in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 894th Masttest 675 73 11ms 21 Feb 2024 894th cuvam 🇺🇸 675 73 22ms 4 days ago 903rd dokutan 675 99 486ms 24 Sep 2025 904th janbehrens 🇩🇪 674 68 1,441ms 9 Apr 2021 905th msbranicky 674 80 4ms 11 Oct 2023 906th I-Love-47 🇺🇦 672 106 62ms 10 Feb 2022 907th 5quiwyrm 670 54 276ms 5 Dec 2024 908th DialFrost 🇸🇬 667 56 86ms 22 Jul 2024 909th albanian-laundromat 🇺🇸 667 96 43ms 14 days ago 910th CaedenHarper 🇨🇦 666 70 12ms 31 Jan 2025 911th jameslindesay 666 74 13ms 24 Feb 2021 911th PkmnQ 666 74 39ms 5 May 2024 911th RedzGoose 🇦🇺 666 74 12ms 14 Oct 2024 911th yokasuretsu 666 74 13ms 13 Jan 2025 915th 77Tigers 665 114 146ms 9 Apr 2024 916th Natanaelel 🇸🇪 664 56 4ms 20 Jan 2024 917th MeWhenI 🇻🇦 664 69 360ms 15 Feb 2023 917th MarcMush 🇫🇷 664 69 308ms 12 Feb 2024 917th Yewzir 🇧🇪 664 69 383ms 5 Apr 2024 920th DialFrost 🇸🇬 664 75 159ms 3 Jun 2025 921st edsrzf 🇳🇿 664 92 2ms 17 days ago 922nd dokutan 663 69 774ms 30 Aug 2025 923rd SirBogman 🇺🇸 659 108 56ms 3 Jan 2022 924th uttumuttu 🇫🇮 657 71 10ms 8 Jan 2022 924th olleicua 🇺🇸 657 71 11ms 20 Feb 2024 926th Trunksistor 🇫🇷 657 75 11ms 25 May 2022 926th celiendonze 🇨🇭 657 75 13ms 16 Jun 2023 926th qwjhvbxi 657 75 11ms 9 Feb 2024 926th wenbang24 657 75 13ms 6 Apr 2024 930th annaproxy 657 91 96ms 13 Jan 2023 931st AdrienHache 🇫🇷 655 91 411ms 31 Dec 2023 932nd emgordon154 654 65 136ms 6 Sep 2024 933rd olivermrose 🇺🇸 652 57 3ms 24 Aug 2021 934th boxjelly 650 65 41ms 11 Feb 2021 934th msbranicky 650 65 42ms 12 Sep 2023 936th Waffle3z 649 76 12ms 20 Jan 2021 936th hellwue 649 76 12ms 16 Nov 2023 936th yuchuehw 649 76 18ms 18 Jan 2024 936th dcc5480 649 76 10ms 12 days ago 940th johnnythedoggie 647 106 109ms 3 Mar 2021 940th snoozingnewt 🇨🇦 647 106 104ms 21 Nov 2025 942nd rboath 644 58 86ms 8 Jan 2025 943rd NickTheEASDude 🇺🇸 643 95 1ms 1 Jul 2024 944th Shanethegamer 🇺🇸 642 97 8ms 22 Dec 2023 945th nephila-nacrea 🇬🇧 641 58 3ms 3 Feb 2021 946th Bubbler-4 641 97 65ms 13 Sep 2023 947th msbranicky 641 134 363ms 3 Oct 2023 948th f-tucker 640 77 13ms 2 Feb 2024 948th undefinedRyan 640 77 12ms 19 Apr 2025 948th Emutis 🇱🇹 640 77 11ms 12 Sep 2025 951st alomiF 640 102 124ms 4 Nov 2024 952nd Maznek 639 73 10ms 30 Jun 2023 953rd MeWhenI 🇻🇦 638 82 10ms 21 Jul 2023 954th sreyfe 637 119 164ms 9 Jun 2024 955th janbehrens 🇩🇪 637 135 368ms 13 Jun 2021 956th MateuszPietrzak 🇵🇱 636 112 63ms 16 Jan 2024 957th Shanethegamer 🇺🇸 635 57 278ms 27 Jul 2023 958th MeWhenI 🇻🇦 635 90 2,449ms 24 Oct 2024 959th emgordon154 635 98 10ms 10 Dec 2024 960th emgordon154 635 186 1,215ms 30 May 2025 961st DialFrost 🇸🇬 634 67 128ms 3 Aug 2024 962nd dokutan 634 94 467ms 18 Jul 2025 963rd SirBogman 🇺🇸 633 84 2ms 14 Dec 2021 964th janbehrens 🇩🇪 633 136 25ms 9 Jul 2021 965th AkashTandon167 632 78 13ms 25 May 2021 965th jhpaques 🇫🇷 632 78 25ms 30 Nov 2022 967th NewDefectus 🇮🇱 630 59 6ms 25 Oct 2021 968th madex 🇩🇪 630 67 43ms 21 days ago 969th Protothor 630 74 9ms 20 Mar 2026 970th Shanethegamer 🇺🇸 626 64 2ms 26 Jul 2023 971st solisolu 625 85 2ms 22 days ago 972nd CaedenHarper 🇨🇦 625 107 419ms 6 Oct 2025 973rd twocatsinatrenchcoat 624 79 9ms 29 Mar 2022 973rd SniperSmiley 🇺🇸 624 79 39ms 23 Jun 2022 973rd Glinte 624 79 18ms 14 Dec 2023 973rd Bmrl7 624 79 15ms 19 Mar 2024 973rd acotis 624 79 12ms 7 Mar 2026 978th edsrzf 🇳🇿 623 138 306ms 21 Dec 2024 979th emgordon154 623 151 9ms 6 Oct 2024 980th janbehrens 🇩🇪 621 68 42ms 18 Jan 2021 981st MeWhenI 🇻🇦 621 106 345ms 26 Aug 2023 982nd ovs-code 🇩🇪 620 48 176ms 2 Jan 2024 983rd Yewzir 🇧🇪 620 64 5ms 16 Nov 2023 984th dokutan 620 106 11ms 24 Mar 2025 985th AkashTandon167 618 86 2ms 25 May 2021 986th MeWhenI 🇻🇦 617 101 12ms 9 May 2024 987th bastienvoirin 🇫🇷 616 80 14ms 4 Feb 2021 987th argusdusty 🇺🇸 616 80 21ms 25 Mar 2021 987th OppositeShark 616 80 12ms 9 Apr 2022 987th WillowWispy 616 80 10ms 16 Mar 2025 991st Shanethegamer 🇺🇸 616 85 4ms 21 Dec 2024 992nd codename68 616 123 146ms 13 Aug 2022 993rd orthoplex 🇨🇽 615 153 19ms 25 Jun 2023 994th Shanethegamer 🇺🇸 615 192 1,219ms 2 Apr 2025 995th omurakazuaki 🇯🇵 612 69 45ms 19 Feb 2021 996th ashtraypettingzoo 🇺🇸 611 36 32ms 23 Feb 2023 997th Shanethegamer 🇺🇸 611 65 6ms 2 Aug 2022 998th Herbert00709 🇵🇱 611 87 2ms 19 Nov 2024 999th JRaspass 🇬🇧 609 61 3ms 5 Sep 2021 1,000th vodker1 609 81 11ms 9 Mar 2022 First Prev 901–1,000 of 2,003 Next Last