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 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 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 argusdusty 🇺🇸 582 100 13ms 25 Mar 2021 401st nstearns96 🇬🇧 582 100 373ms 21 Jan 2023 401st adamnielson42 🇺🇸 582 100 74ms 8 Nov 2023 401st CommandLeo 🇮🇹 582 100 36ms 25 Jan 2026 405th MeWhenI 🇻🇦 582 196 4ms 12 Aug 2024 406th KatieLG 🇬🇧 580 118 24ms 5 Oct 2025 407th kmathis22 580 223 773ms 6 Dec 2025 408th MeWhenI 🇻🇦 577 264 161ms 16 Mar 2022 409th MeWhenI 🇻🇦 574 102 474ms 24 May 2024 410th Yewzir 🇧🇪 574 234 60ms 22 Dec 2023 411th dokutan 573 199 4ms 12 Aug 2024 412th BREMAUCY 🇫🇷 571 102 11ms 19 Jul 2025 413th AlephSquirrel 566 53 80ms 3 Jan 2023 414th Shanethegamer 🇺🇸 565 85 102ms 8 Apr 2021 415th stefangimmillaro 563 171 2,916ms 19 Nov 2024 416th m-tkach 🇺🇦 560 240 63ms 17 Dec 2022 417th dokutan 557 217 146ms 28 Mar 2024 418th RockOfStone 556 213 1,687ms 4 Nov 2021 419th jatloe 554 105 65ms 26 Sep 2024 420th dokutan 553 106 586ms 14 Feb 2026 421st MeWhenI 🇻🇦 553 238 349ms 10 Feb 2023 422nd dokutan 553 243 442ms 19 Aug 2024 423rd Shanethegamer 🇺🇸 548 158 301ms 20 May 2022 424th dokutan 548 236 396ms 24 Sep 2025 425th Protothor 547 125 51ms 19 days ago 426th Natanaelel 🇸🇪 546 88 50ms 10 Sep 2021 427th AkashTandon167 544 107 14ms 1 Nov 2021 427th dokutan 544 107 41ms 21 Mar 2025 427th TheSecondComing123 544 107 19ms 23 Feb 2026 430th tomh1012 544 209 484ms 12 days ago 431st CaedenHarper 🇨🇦 542 243 357ms 17 Nov 2025 432nd MeWhenI 🇻🇦 540 78 38ms 28 Feb 2025 433rd edsrzf 🇳🇿 540 177 118ms 20 Dec 2024 434th KatieLG 🇬🇧 539 89 103ms 7 Jan 2026 435th nullie 539 108 114ms 9 Jun 2022 436th CaedenHarper 🇨🇦 539 240 442ms 16 Oct 2025 437th snoozingnewt 🇨🇦 537 110 364ms 14 Oct 2025 438th Yewzir 🇧🇪 537 245 327ms 3 Jan 2024 439th dokutan 537 427 4ms 8 Dec 2023 439th JOrE20 537 427 4ms 20 Dec 2025 441st marcin7Cd 534 109 12ms 9 Feb 2021 441st OllieBoyne 🇬🇧 534 109 159ms 25 May 2022 441st scpchicken 🇵🇼 534 109 14ms 28 Feb 2023 441st CutSandstone 534 109 32ms 8 Jul 2024 445th dokutan 534 371 1,409ms 13 Jan 2025 446th olivermrose 🇺🇸 533 90 118ms 28 Oct 2021 446th BrenSchaap 533 90 53ms 13 Nov 2021 448th dokutan 533 222 1ms 3 Apr 2024 449th msbranicky 533 247 366ms 3 Oct 2023 449th stefangimmillaro 533 247 495ms 13 Dec 2024 451st scpchicken 🇵🇼 531 93 1,086ms 17 Feb 2023 452nd pschmid0 🇺🇸 531 182 195ms 9 Oct 2022 453rd jerrandolph 531 248 903ms 26 Sep 2025 454th Yewzir 🇧🇪 530 228 142ms 6 Jul 2023 455th qpwoeirut 529 110 300ms 11 Aug 2025 455th Lv0Sys 🇵🇱 529 110 12ms 4 Dec 2025 457th dokutan 527 250 316ms 6 Jan 2024 458th m-tkach 🇺🇦 527 570 27ms 20 Jan 2024 459th SirBogman 🇺🇸 526 205 12ms 2 Jan 2022 460th albanian-laundromat 🇺🇸 525 257 253ms 3 hours ago 461st CedricGebistorf 524 111 12ms 9 Mar 2022 462nd lynn 523 574 28ms 6 Aug 2023 463rd coreynash 522 131 35ms 24 Oct 2023 464th Shanethegamer 🇺🇸 520 249 659ms 25 Sep 2025 465th CaedenHarper 🇨🇦 519 219 409ms 26 Oct 2025 466th namelessiw 518 113 527ms 5 Mar 2024 467th MeWhenI 🇻🇦 518 114 336ms 15 Feb 2023 468th rschwa6308 🇺🇸 515 113 13ms 28 Jun 2021 468th namelessiw 515 113 12ms 11 Jan 2024 468th FortuiteMan 🇫🇷 515 113 72ms 18 Dec 2025 471st MeWhenI 🇻🇦 515 239 242ms 3 Dec 2021 472nd commandz0 🇺🇸 514 114 460ms 15 Jan 2024 473rd johndevou 514 210 33ms 18 Nov 2021 474th Lv0Sys 🇵🇱 511 94 52ms 4 Dec 2025 475th lifthrasiir 🇰🇷 511 578 7ms 19 Dec 2024 476th MeWhenI 🇻🇦 511 588 28ms 6 Jun 2023 477th Yewzir 🇧🇪 509 223 6ms 18 Feb 2024 478th dokutan 509 242 244ms 1 Jul 2025 479th RaBa21 🇭🇺 506 115 21ms 1 Aug 2025 480th CatsAreFluffy 505 116 494ms 15 Jan 2024 First Prev 401–480 of 1,780 Next Last