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 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 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 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 401st KatieLG 🇬🇧 600 382 3ms 12 Oct 2021 402nd Waffle3z 598 385 4ms 31 Jan 2021 403rd croc54 594 98 61ms 14 Jan 2025 404th annaproxy 594 146 557ms 28 Jul 2022 405th janbehrens 🇩🇪 591 100 342ms 1 Nov 2021 406th stefangimmillaro 589 224 106ms 18 Sep 2023 407th SirFireball3521 588 84 163ms 1 Mar 2023 408th stertooy 🇧🇪 588 99 86ms 16 Jun 2024 408th luuumine 🇫🇷 588 99 43ms 9 Oct 2025 410th MeWhenI 🇻🇦 588 134 12ms 2 Oct 2022 411th emgordon154 586 82 40ms 2 Apr 2025 412th GeorgeStechman 🇬🇧 585 117 16ms 17 Nov 2022 413th Shanethegamer 🇺🇸 584 143 1,580ms 8 Apr 2021 414th MeWhenI 🇻🇦 583 196 4ms 12 Aug 2024 415th argusdusty 🇺🇸 582 100 13ms 25 Mar 2021 415th nstearns96 🇬🇧 582 100 373ms 21 Jan 2023 415th adamnielson42 🇺🇸 582 100 74ms 8 Nov 2023 415th CommandLeo 🇮🇹 582 100 36ms 25 Jan 2026 419th kmathis22 581 223 749ms 6 Dec 2025 420th KatieLG 🇬🇧 580 118 23ms 5 Oct 2025 421st MeWhenI 🇻🇦 577 264 166ms 16 Mar 2022 422nd Yewzir 🇧🇪 575 234 60ms 22 Dec 2023 423rd MeWhenI 🇻🇦 574 102 474ms 24 May 2024 424th dokutan 574 199 4ms 12 Aug 2024 425th BREMAUCY 🇫🇷 571 102 11ms 19 Jul 2025 426th Yewzir 🇧🇪 568 321 18ms 3 days ago 427th m-tkach 🇺🇦 567 208 2ms 26 Oct 2022 428th AlephSquirrel 566 53 84ms 3 Jan 2023 429th Shanethegamer 🇺🇸 565 85 100ms 8 Apr 2021 430th stefangimmillaro 564 171 2,986ms 19 Nov 2024 431st MeWhenI 🇻🇦 564 209 2ms 10 Sep 2022 432nd dokutan 561 210 2ms 27 Mar 2024 433rd m-tkach 🇺🇦 560 240 60ms 17 Dec 2022 434th dokutan 558 217 146ms 28 Mar 2024 435th RockOfStone 556 213 1,637ms 4 Nov 2021 436th jatloe 554 105 65ms 26 Sep 2024 437th MeWhenI 🇻🇦 554 238 349ms 10 Feb 2023 438th dokutan 553 243 436ms 19 Aug 2024 439th Shanethegamer 🇺🇸 549 158 301ms 20 May 2022 440th dokutan 549 236 507ms 24 Sep 2025 441st Protothor 548 125 49ms 20 Mar 2026 442nd Natanaelel 🇸🇪 546 88 58ms 10 Sep 2021 443rd Yewzir 🇧🇪 546 216 2ms 18 Jan 2024 444th AkashTandon167 544 107 14ms 1 Nov 2021 444th TheSecondComing123 544 107 19ms 23 Feb 2026 446th tomh1012 544 209 531ms 27 Mar 2026 447th CaedenHarper 🇨🇦 543 243 357ms 17 Nov 2025 448th MeWhenI 🇻🇦 540 78 38ms 28 Feb 2025 449th KatieLG 🇬🇧 540 89 106ms 7 Jan 2026 450th CaedenHarper 🇨🇦 540 240 743ms 16 Oct 2025 451st nullie 539 108 114ms 9 Jun 2022 452nd dokutan 539 427 4ms 8 Dec 2023 452nd JOrE20 539 427 5ms 20 Dec 2025 454th snoozingnewt 🇨🇦 538 110 378ms 14 Oct 2025 455th Yewzir 🇧🇪 538 245 327ms 3 Jan 2024 456th dokutan 536 371 1,238ms 13 Jan 2025 457th olivermrose 🇺🇸 534 90 124ms 28 Oct 2021 457th BrenSchaap 534 90 57ms 13 Nov 2021 459th marcin7Cd 534 109 12ms 9 Feb 2021 459th OllieBoyne 🇬🇧 534 109 159ms 25 May 2022 459th CutSandstone 534 109 32ms 8 Jul 2024 462nd dokutan 534 222 1ms 3 Apr 2024 463rd msbranicky 534 247 366ms 3 Oct 2023 463rd stefangimmillaro 534 247 495ms 13 Dec 2024 465th jerrandolph 532 248 903ms 26 Sep 2025 466th scpchicken 🇵🇼 531 93 1,086ms 17 Feb 2023 467th pschmid0 🇺🇸 531 182 189ms 9 Oct 2022 468th Yewzir 🇧🇪 531 228 142ms 6 Jul 2023 469th qpwoeirut 529 110 300ms 11 Aug 2025 469th Lv0Sys 🇵🇱 529 110 12ms 4 Dec 2025 471st m-tkach 🇺🇦 528 570 27ms 20 Jan 2024 472nd SirBogman 🇺🇸 527 205 12ms 2 Jan 2022 473rd dokutan 527 250 316ms 6 Jan 2024 474th CedricGebistorf 524 111 12ms 9 Mar 2022 475th lynn 524 574 28ms 6 Aug 2023 476th coreynash 523 131 32ms 24 Oct 2023 477th CaedenHarper 🇨🇦 520 219 520ms 26 Oct 2025 478th Shanethegamer 🇺🇸 520 249 676ms 25 Sep 2025 479th MeWhenI 🇻🇦 519 114 322ms 15 Feb 2023 480th namelessiw 518 113 527ms 5 Mar 2024 First Prev 401–480 of 1,875 Next Last