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 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 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 NewDefectus 🇮🇱 673 51 37ms 23 Dec 2021 302nd SirBogman 🇺🇸 672 87 413ms 20 Jan 2024 303rd blaztoma 🇱🇹 670 73 41ms 23 Oct 2025 304th emgordon154 670 143 3,559ms 6 Jul 2025 305th MeWhenI 🇻🇦 670 193 409ms 7 Nov 2025 306th m-tkach 🇺🇦 670 262 31ms 20 Jun 2022 307th inventshah 669 87 10ms 28 Oct 2024 308th albanian-laundromat 669 205 2ms 25 Jun 2025 309th clockworknazo 667 45 94ms 21 Sep 2022 310th MeWhenI 🇻🇦 665 225 72ms 12 Mar 2022 311th stefangimmillaro 663 234 128ms 4 Jun 2025 312th DialFrost 🇸🇬 661 74 88ms 1 Jun 2024 313th lynn 661 153 1,398ms 27 Oct 2021 314th andersk 🇺🇸 660 235 123ms 30 Oct 2022 314th dokutan 660 235 124ms 11 Jan 2024 316th m-tkach 🇺🇦 659 208 3ms 26 Oct 2022 317th jared-hughes 658 104 12ms 14 Mar 2022 318th MeWhenI 🇻🇦 657 89 134ms 3 Aug 2024 319th Mabeloid 🇳🇴 657 236 125ms 26 Oct 2025 320th Shanethegamer 🇺🇸 656 90 530ms 18 Jan 2023 321st MeWhenI 🇻🇦 656 209 3ms 10 Sep 2022 322nd mathisfun271 654 89 18ms 4 Feb 2024 323rd dokutan 653 210 2ms 27 Mar 2024 324th Irratix 🇳🇱 652 75 63ms 14 Mar 2022 325th Shanethegamer 🇺🇸 652 128 97ms 16 Dec 2022 326th duckyluuk 🇳🇱 652 147 2,878ms 28 Oct 2024 327th Shanethegamer 🇺🇸 651 144 517ms 7 Jun 2022 327th MeWhenI 🇻🇦 651 144 460ms 14 Oct 2022 329th marcin7Cd 651 174 1,131ms 9 Feb 2021 329th Shanethegamer 🇺🇸 651 174 218ms 28 May 2022 331st DialFrost 🇸🇬 649 105 515ms 7 Jun 2024 332nd annaproxy 649 121 1,814ms 24 Dec 2022 333rd prplz 🇦🇺 646 90 12ms 8 Feb 2021 333rd jared-hughes 646 90 32ms 15 Aug 2021 335th GolfingSuccess 🇬🇷 642 91 483ms 25 Jan 2025 336th janbehrens 🇩🇪 642 146 619ms 24 Mar 2022 337th Natanaelel 🇸🇪 641 135 154ms 9 May 2024 338th primo-ppcg 🇹🇭 640 202 487ms 3 Aug 2021 339th dokutan 640 234 88ms 23 Jul 2025 340th andrewjc2000 639 91 16ms 7 May 2025 341st alexsave 639 107 23ms 21 days ago 342nd Yewzir 🇧🇪 635 216 2ms 18 Jan 2024 343rd lynn 633 124 1,059ms 16 Nov 2021 344th MichalMarsalek 🇨🇿 633 361 4ms 27 Nov 2022 345th GolfingSuccess 🇬🇷 632 92 92ms 25 Jan 2021 345th edsrzf 🇳🇿 632 92 28ms 20 Sep 2025 345th solisolu 632 92 11ms 28 Oct 2025 348th snoozingnewt 🇨🇦 631 237 326ms 15 days ago 349th MeWhenI 🇻🇦 627 210 116ms 29 Apr 2025 350th SirBogman 🇺🇸 625 48 78ms 28 Sep 2022 351st NewDefectus 🇮🇱 625 93 11ms 20 Dec 2021 352nd Herbert00709 🇵🇱 623 173 4ms 5 Apr 2024 353rd CaedenHarper 🇨🇦 622 94 792ms 16 Aug 2025 354th CaedenHarper 🇨🇦 619 94 330ms 16 Aug 2025 355th janbehrens 🇩🇪 619 209 326ms 17 Jun 2023 356th emgordon154 618 147 55ms 13 Dec 2024 357th elgan65536 613 253 124ms 11 Nov 2023 358th jared-hughes 611 80 289ms 9 Sep 2022 359th KatieLG 🇬🇧 609 96 412ms 28 Oct 2024 360th TimCurwick 🇺🇸 609 112 559ms 26 Jan 2021 361st janbehrens 🇩🇪 606 96 100ms 17 Jun 2023 361st KatieLG 🇬🇧 606 96 42ms 29 Jul 2024 363rd didion0 🇺🇸 605 113 47ms 6 May 2021 364th ovs-code 🇩🇪 604 130 719ms 14 Mar 2025 365th o0lit3 🇺🇸 602 70 215ms 15 Sep 2021 366th quimey 600 97 90ms 16 Mar 2023 367th KatieLG 🇬🇧 598 382 3ms 12 Oct 2021 368th emgordon154 596 82 42ms 2 Apr 2025 368th KatieLG 🇬🇧 596 82 422ms 2 Oct 2025 370th croc54 594 98 61ms 14 Jan 2025 371st Waffle3z 594 385 4ms 31 Jan 2021 372nd annaproxy 593 146 676ms 28 Jul 2022 373rd janbehrens 🇩🇪 591 100 334ms 1 Nov 2021 374th SirBogman 🇺🇸 590 223 68ms 3 Jan 2022 375th stertooy 🇧🇪 588 99 70ms 16 Jun 2024 First Prev 301–375 of 1,679 Next Last