Kolakoski Constant 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 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 301st SirBogman 🇺🇸 672 87 413ms 20 Jan 2024 302nd blaztoma 🇱🇹 670 73 43ms 23 Oct 2025 303rd emgordon154 670 143 3,590ms 6 Jul 2025 304th MeWhenI 🇻🇦 670 193 555ms 7 Nov 2025 305th m-tkach 🇺🇦 670 262 25ms 20 Jun 2022 306th inventshah 669 87 10ms 28 Oct 2024 307th albanian-laundromat 669 205 2ms 25 Jun 2025 308th clockworknazo 667 45 88ms 21 Sep 2022 309th MeWhenI 🇻🇦 665 225 77ms 12 Mar 2022 310th stefangimmillaro 663 234 141ms 4 Jun 2025 311th DialFrost 🇸🇬 661 74 64ms 1 Jun 2024 312th lynn 661 153 1,307ms 27 Oct 2021 313th andersk 🇺🇸 660 235 193ms 30 Oct 2022 313th dokutan 660 235 156ms 11 Jan 2024 315th m-tkach 🇺🇦 659 208 2ms 26 Oct 2022 316th jared-hughes 658 104 12ms 14 Mar 2022 317th MeWhenI 🇻🇦 657 89 132ms 3 Aug 2024 318th Mabeloid 🇳🇴 657 236 220ms 26 Oct 2025 319th Shanethegamer 🇺🇸 656 90 530ms 18 Jan 2023 320th MeWhenI 🇻🇦 656 209 2ms 10 Sep 2022 321st mathisfun271 654 89 17ms 4 Feb 2024 322nd dokutan 653 210 2ms 27 Mar 2024 323rd Irratix 🇳🇱 652 75 62ms 14 Mar 2022 324th Shanethegamer 🇺🇸 652 128 97ms 16 Dec 2022 325th duckyluuk 🇳🇱 652 147 2,896ms 28 Oct 2024 326th Shanethegamer 🇺🇸 651 144 517ms 7 Jun 2022 326th MeWhenI 🇻🇦 651 144 460ms 14 Oct 2022 328th marcin7Cd 651 174 1,074ms 9 Feb 2021 328th Shanethegamer 🇺🇸 651 174 171ms 28 May 2022 330th DialFrost 🇸🇬 649 105 515ms 7 Jun 2024 331st annaproxy 649 121 1,814ms 24 Dec 2022 332nd prplz 🇦🇺 646 90 11ms 8 Feb 2021 332nd jared-hughes 646 90 33ms 15 Aug 2021 334th GolfingSuccess 🇬🇷 642 91 418ms 25 Jan 2025 335th janbehrens 🇩🇪 642 146 619ms 24 Mar 2022 336th Natanaelel 🇸🇪 641 135 146ms 9 May 2024 337th primo-ppcg 🇹🇭 640 202 668ms 3 Aug 2021 338th dokutan 640 234 90ms 23 Jul 2025 339th andrewjc2000 639 91 16ms 7 May 2025 340th alexsave 639 107 21ms 24 days ago 341st Yewzir 🇧🇪 635 216 2ms 18 Jan 2024 342nd lynn 633 124 1,059ms 16 Nov 2021 343rd MichalMarsalek 🇨🇿 633 361 4ms 27 Nov 2022 344th GolfingSuccess 🇬🇷 632 92 92ms 25 Jan 2021 344th edsrzf 🇳🇿 632 92 28ms 20 Sep 2025 344th solisolu 632 92 11ms 28 Oct 2025 347th snoozingnewt 🇨🇦 631 237 332ms 18 days ago 348th MeWhenI 🇻🇦 627 210 107ms 29 Apr 2025 349th SirBogman 🇺🇸 625 48 75ms 28 Sep 2022 350th NewDefectus 🇮🇱 625 93 10ms 20 Dec 2021 351st Herbert00709 🇵🇱 623 173 3ms 5 Apr 2024 352nd CaedenHarper 🇨🇦 622 94 731ms 16 Aug 2025 353rd CaedenHarper 🇨🇦 619 94 349ms 16 Aug 2025 354th janbehrens 🇩🇪 619 209 417ms 17 Jun 2023 355th emgordon154 618 147 54ms 13 Dec 2024 356th elgan65536 613 253 134ms 11 Nov 2023 357th jared-hughes 611 80 287ms 9 Sep 2022 358th KatieLG 🇬🇧 609 96 401ms 28 Oct 2024 359th TimCurwick 🇺🇸 609 112 559ms 26 Jan 2021 360th janbehrens 🇩🇪 606 96 103ms 17 Jun 2023 360th KatieLG 🇬🇧 606 96 41ms 29 Jul 2024 362nd didion0 🇺🇸 605 113 47ms 6 May 2021 363rd SirBogman 🇺🇸 605 223 63ms 3 Jan 2022 364th ovs-code 🇩🇪 604 130 719ms 14 Mar 2025 365th o0lit3 🇺🇸 602 70 186ms 15 Sep 2021 366th quimey 600 97 88ms 16 Mar 2023 367th KatieLG 🇬🇧 598 382 3ms 12 Oct 2021 368th emgordon154 596 82 36ms 2 Apr 2025 368th KatieLG 🇬🇧 596 82 370ms 2 Oct 2025 370th croc54 594 98 61ms 14 Jan 2025 371st Waffle3z 594 385 4ms 31 Jan 2021 372nd annaproxy 593 146 557ms 28 Jul 2022 373rd janbehrens 🇩🇪 591 100 334ms 1 Nov 2021 374th stertooy 🇧🇪 588 99 74ms 16 Jun 2024 374th luuumine 🇫🇷 588 99 38ms 9 Oct 2025 First Prev 301–375 of 1,678 Next Last