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 376th SirFireball3521 587 84 157ms 1 Mar 2023 377th stefangimmillaro 587 224 106ms 18 Sep 2023 378th MeWhenI 🇻🇦 587 264 195ms 16 Mar 2022 379th MeWhenI 🇻🇦 586 134 12ms 2 Oct 2022 380th GeorgeStechman 🇬🇧 584 117 15ms 17 Nov 2022 381st argusdusty 🇺🇸 582 100 11ms 25 Mar 2021 381st nstearns96 🇬🇧 582 100 318ms 21 Jan 2023 381st adamnielson42 🇺🇸 582 100 79ms 8 Nov 2023 384th Shanethegamer 🇺🇸 582 143 1,058ms 8 Apr 2021 385th MeWhenI 🇻🇦 580 196 4ms 12 Aug 2024 386th kmathis22 580 223 681ms 3 days ago 387th KatieLG 🇬🇧 579 118 18ms 5 Oct 2025 388th Yewzir 🇧🇪 576 234 56ms 22 Dec 2023 389th Shanethegamer 🇺🇸 575 85 104ms 8 Apr 2021 390th MeWhenI 🇻🇦 573 102 489ms 24 May 2024 391st dokutan 572 199 4ms 12 Aug 2024 392nd BREMAUCY 🇫🇷 570 102 11ms 19 Jul 2025 393rd AlephSquirrel 566 53 82ms 3 Jan 2023 394th RockOfStone 563 213 2,065ms 4 Nov 2021 395th m-tkach 🇺🇦 562 240 52ms 17 Dec 2022 396th stefangimmillaro 560 171 3,001ms 19 Nov 2024 397th Natanaelel 🇸🇪 556 88 60ms 10 Sep 2021 398th dokutan 556 217 105ms 28 Mar 2024 399th dokutan 555 243 375ms 19 Aug 2024 400th jatloe 554 105 56ms 26 Sep 2024 401st MeWhenI 🇻🇦 553 238 274ms 10 Feb 2023 402nd Shanethegamer 🇺🇸 548 158 301ms 20 May 2022 403rd dokutan 548 236 452ms 24 Sep 2025 404th dokutan 546 107 428ms 21 Mar 2025 405th AkashTandon167 544 107 11ms 1 Nov 2021 405th dokutan 544 107 38ms 21 Mar 2025 405th blaztoma 🇱🇹 544 107 32ms 13 Oct 2025 408th olivermrose 🇺🇸 543 90 94ms 28 Oct 2021 408th BrenSchaap 543 90 69ms 13 Nov 2021 410th CaedenHarper 🇨🇦 541 243 274ms 22 days ago 411th MeWhenI 🇻🇦 540 78 40ms 28 Feb 2025 412th dokutan 540 222 1ms 3 Apr 2024 413th nullie 539 108 115ms 9 Jun 2022 414th edsrzf 🇳🇿 539 177 118ms 20 Dec 2024 415th CaedenHarper 🇨🇦 539 240 740ms 16 Oct 2025 416th snoozingnewt 🇨🇦 537 110 388ms 14 Oct 2025 417th Yewzir 🇧🇪 537 245 265ms 3 Jan 2024 418th dokutan 535 427 4ms 8 Dec 2023 419th marcin7Cd 534 109 12ms 9 Feb 2021 419th OllieBoyne 🇬🇧 534 109 152ms 25 May 2022 419th scpchicken 🇵🇼 534 109 12ms 28 Feb 2023 419th CutSandstone 534 109 34ms 8 Jul 2024 423rd msbranicky 532 247 318ms 3 Oct 2023 423rd stefangimmillaro 532 247 433ms 13 Dec 2024 425th dokutan 532 371 455ms 13 Jan 2025 426th scpchicken 🇵🇼 531 93 1,705ms 17 Feb 2023 427th pschmid0 🇺🇸 531 182 188ms 9 Oct 2022 428th jerrandolph 530 248 745ms 26 Sep 2025 429th qpwoeirut 529 110 295ms 11 Aug 2025 429th Lv0Sys 🇵🇱 529 110 10ms 5 days ago 431st Yewzir 🇧🇪 529 228 105ms 6 Jul 2023 432nd SirBogman 🇺🇸 526 205 12ms 2 Jan 2022 433rd dokutan 526 250 267ms 6 Jan 2024 434th m-tkach 🇺🇦 526 570 25ms 20 Jan 2024 435th CedricGebistorf 524 111 10ms 9 Mar 2022 436th coreynash 522 131 30ms 24 Oct 2023 437th lynn 522 574 28ms 6 Aug 2023 438th Lv0Sys 🇵🇱 520 94 47ms 5 days ago 439th Shanethegamer 🇺🇸 519 249 664ms 25 Sep 2025 440th MeWhenI 🇻🇦 518 114 334ms 15 Feb 2023 441st CaedenHarper 🇨🇦 518 219 362ms 26 Oct 2025 442nd namelessiw 517 113 457ms 5 Mar 2024 443rd rschwa6308 🇺🇸 515 113 12ms 28 Jun 2021 443rd namelessiw 515 113 12ms 11 Jan 2024 445th commandblockguy 🇺🇸 513 114 516ms 15 Jan 2024 446th johndevou 513 210 33ms 18 Nov 2021 447th MeWhenI 🇻🇦 513 239 209ms 3 Dec 2021 448th lifthrasiir 🇰🇷 511 578 8ms 19 Dec 2024 449th MeWhenI 🇻🇦 510 588 30ms 6 Jun 2023 450th Yewzir 🇧🇪 508 223 5ms 18 Feb 2024 First Prev 376–450 of 1,678 Next Last