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 NewDefectus 🇮🇱 673 51 35ms 23 Dec 2021 302nd SirBogman 🇺🇸 672 87 413ms 20 Jan 2024 303rd blaztoma 🇱🇹 670 73 43ms 23 Oct 2025 304th emgordon154 670 143 3,590ms 6 Jul 2025 305th MeWhenI 🇻🇦 670 193 555ms 7 Nov 2025 306th m-tkach 🇺🇦 670 262 25ms 20 Jun 2022 307th inventshah 669 87 10ms 28 Oct 2024 308th albanian-laundromat 669 205 2ms 25 Jun 2025 309th clockworknazo 667 45 88ms 21 Sep 2022 310th MeWhenI 🇻🇦 665 225 80ms 12 Mar 2022 311th stefangimmillaro 663 234 122ms 4 Jun 2025 312th DialFrost 🇸🇬 661 74 64ms 1 Jun 2024 313th lynn 661 153 1,301ms 27 Oct 2021 314th andersk 🇺🇸 660 235 117ms 30 Oct 2022 314th dokutan 660 235 115ms 11 Jan 2024 316th m-tkach 🇺🇦 659 208 2ms 26 Oct 2022 317th dokutan 659 214 90ms 3 days ago 318th jared-hughes 658 104 12ms 14 Mar 2022 319th MeWhenI 🇻🇦 657 89 132ms 3 Aug 2024 320th Mabeloid 🇳🇴 657 236 122ms 26 Oct 2025 321st Shanethegamer 🇺🇸 656 90 530ms 18 Jan 2023 322nd MeWhenI 🇻🇦 656 209 2ms 10 Sep 2022 323rd mathisfun271 654 89 17ms 4 Feb 2024 324th dokutan 653 210 2ms 27 Mar 2024 325th Irratix 🇳🇱 652 75 62ms 14 Mar 2022 326th Shanethegamer 🇺🇸 652 128 97ms 16 Dec 2022 327th duckyluuk 🇳🇱 652 147 2,896ms 28 Oct 2024 328th Shanethegamer 🇺🇸 651 144 517ms 7 Jun 2022 328th MeWhenI 🇻🇦 651 144 460ms 14 Oct 2022 330th marcin7Cd 651 174 1,074ms 9 Feb 2021 330th Shanethegamer 🇺🇸 651 174 171ms 28 May 2022 332nd DialFrost 🇸🇬 649 105 579ms 7 Jun 2024 333rd annaproxy 649 121 1,814ms 24 Dec 2022 334th prplz 🇦🇺 646 90 11ms 8 Feb 2021 334th jared-hughes 646 90 33ms 15 Aug 2021 336th GolfingSuccess 🇬🇷 642 91 418ms 25 Jan 2025 336th CaedenHarper 🇨🇦 642 91 384ms 5 days ago 338th janbehrens 🇩🇪 642 146 619ms 24 Mar 2022 339th Natanaelel 🇸🇪 641 135 146ms 9 May 2024 340th primo-ppcg 🇹🇭 640 202 668ms 3 Aug 2021 341st dokutan 640 234 90ms 23 Jul 2025 342nd andrewjc2000 639 91 16ms 7 May 2025 342nd CaedenHarper 🇨🇦 639 91 12ms 5 days ago 344th alexsave 639 107 21ms 15 Nov 2025 345th Yewzir 🇧🇪 635 216 2ms 18 Jan 2024 346th lynn 633 124 1,059ms 16 Nov 2021 347th MichalMarsalek 🇨🇿 633 361 4ms 27 Nov 2022 348th GolfingSuccess 🇬🇷 632 92 92ms 25 Jan 2021 348th edsrzf 🇳🇿 632 92 28ms 20 Sep 2025 348th solisolu 632 92 11ms 28 Oct 2025 351st snoozingnewt 🇨🇦 631 237 324ms 25 days ago 352nd MeWhenI 🇻🇦 627 210 107ms 29 Apr 2025 353rd SirBogman 🇺🇸 625 48 75ms 28 Sep 2022 354th NewDefectus 🇮🇱 625 93 10ms 20 Dec 2021 355th Herbert00709 🇵🇱 624 173 3ms 5 Apr 2024 356th janbehrens 🇩🇪 619 209 417ms 17 Jun 2023 357th emgordon154 618 147 54ms 13 Dec 2024 358th elgan65536 613 253 120ms 11 Nov 2023 359th jared-hughes 611 80 287ms 9 Sep 2022 360th KatieLG 🇬🇧 609 96 401ms 28 Oct 2024 361st TimCurwick 🇺🇸 609 112 605ms 26 Jan 2021 362nd janbehrens 🇩🇪 606 96 103ms 17 Jun 2023 362nd KatieLG 🇬🇧 606 96 41ms 29 Jul 2024 364th didion0 🇺🇸 605 113 47ms 6 May 2021 365th ovs-code 🇩🇪 604 130 719ms 14 Mar 2025 366th o0lit3 🇺🇸 602 70 186ms 15 Sep 2021 367th SirBogman 🇺🇸 601 223 63ms 3 Jan 2022 368th quimey 600 97 88ms 16 Mar 2023 369th KatieLG 🇬🇧 598 382 3ms 12 Oct 2021 370th emgordon154 596 82 36ms 2 Apr 2025 370th KatieLG 🇬🇧 596 82 370ms 2 Oct 2025 372nd croc54 594 98 61ms 14 Jan 2025 373rd Waffle3z 594 385 4ms 31 Jan 2021 374th annaproxy 593 146 557ms 28 Jul 2022 375th janbehrens 🇩🇪 591 100 334ms 1 Nov 2021 First Prev 301–375 of 1,681 Next Last