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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 Nim 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 Nim 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 croc54 594 98 61ms 14 Jan 2025 402nd annaproxy 593 146 557ms 28 Jul 2022 403rd janbehrens 🇩🇪 591 100 342ms 1 Nov 2021 404th SirFireball3521 588 84 154ms 1 Mar 2023 405th stertooy 🇧🇪 588 99 86ms 16 Jun 2024 405th luuumine 🇫🇷 588 99 43ms 9 Oct 2025 407th stefangimmillaro 588 224 106ms 18 Sep 2023 408th MeWhenI 🇻🇦 587 134 12ms 2 Oct 2022 409th emgordon154 586 82 40ms 2 Apr 2025 410th GeorgeStechman 🇬🇧 585 117 16ms 17 Nov 2022 411th Shanethegamer 🇺🇸 583 143 1,580ms 8 Apr 2021 412th argusdusty 🇺🇸 582 100 13ms 25 Mar 2021 412th nstearns96 🇬🇧 582 100 373ms 21 Jan 2023 412th adamnielson42 🇺🇸 582 100 74ms 8 Nov 2023 412th CommandLeo 🇮🇹 582 100 36ms 25 Jan 2026 416th MeWhenI 🇻🇦 582 196 4ms 12 Aug 2024 417th KatieLG 🇬🇧 580 118 23ms 5 Oct 2025 418th kmathis22 580 223 749ms 6 Dec 2025 419th MeWhenI 🇻🇦 577 264 166ms 16 Mar 2022 420th MeWhenI 🇻🇦 574 102 474ms 24 May 2024 421st Yewzir 🇧🇪 574 234 60ms 22 Dec 2023 422nd dokutan 573 199 4ms 12 Aug 2024 423rd BREMAUCY 🇫🇷 571 102 11ms 19 Jul 2025 424th AlephSquirrel 566 53 84ms 3 Jan 2023 425th m-tkach 🇺🇦 566 208 2ms 26 Oct 2022 426th Yewzir 🇧🇪 566 321 18ms 5 days ago 427th Shanethegamer 🇺🇸 565 85 100ms 8 Apr 2021 428th stefangimmillaro 563 171 2,952ms 19 Nov 2024 429th MeWhenI 🇻🇦 563 209 2ms 10 Sep 2022 430th dokutan 560 210 2ms 27 Mar 2024 431st m-tkach 🇺🇦 560 240 60ms 17 Dec 2022 432nd dokutan 557 217 146ms 28 Mar 2024 433rd RockOfStone 556 213 1,637ms 4 Nov 2021 434th jatloe 554 105 65ms 26 Sep 2024 435th MeWhenI 🇻🇦 554 238 349ms 10 Feb 2023 436th dokutan 553 243 436ms 19 Aug 2024 437th Shanethegamer 🇺🇸 548 158 301ms 20 May 2022 438th dokutan 548 236 507ms 24 Sep 2025 439th Protothor 547 125 49ms 20 Mar 2026 440th Natanaelel 🇸🇪 546 88 58ms 10 Sep 2021 441st Yewzir 🇧🇪 545 216 2ms 18 Jan 2024 442nd AkashTandon167 544 107 14ms 1 Nov 2021 442nd TheSecondComing123 544 107 19ms 23 Feb 2026 444th tomh1012 544 209 531ms 27 Mar 2026 445th CaedenHarper 🇨🇦 543 243 357ms 17 Nov 2025 446th MeWhenI 🇻🇦 540 78 38ms 28 Feb 2025 447th KatieLG 🇬🇧 539 89 106ms 7 Jan 2026 448th nullie 539 108 114ms 9 Jun 2022 449th CaedenHarper 🇨🇦 539 240 641ms 16 Oct 2025 450th Yewzir 🇧🇪 538 245 327ms 3 Jan 2024 451st snoozingnewt 🇨🇦 537 110 378ms 14 Oct 2025 452nd dokutan 537 427 4ms 8 Dec 2023 452nd JOrE20 537 427 5ms 20 Dec 2025 454th marcin7Cd 534 109 12ms 9 Feb 2021 454th OllieBoyne 🇬🇧 534 109 159ms 25 May 2022 454th CutSandstone 534 109 32ms 8 Jul 2024 457th msbranicky 534 247 366ms 3 Oct 2023 457th stefangimmillaro 534 247 495ms 13 Dec 2024 459th dokutan 534 371 1,207ms 13 Jan 2025 460th olivermrose 🇺🇸 533 90 124ms 28 Oct 2021 460th BrenSchaap 533 90 57ms 13 Nov 2021 462nd dokutan 533 222 1ms 3 Apr 2024 463rd jerrandolph 532 248 903ms 26 Sep 2025 464th scpchicken 🇵🇼 531 93 1,180ms 17 Feb 2023 465th pschmid0 🇺🇸 531 182 189ms 9 Oct 2022 466th Yewzir 🇧🇪 530 228 142ms 6 Jul 2023 467th qpwoeirut 529 110 300ms 11 Aug 2025 467th Lv0Sys 🇵🇱 529 110 12ms 4 Dec 2025 469th dokutan 527 250 316ms 6 Jan 2024 470th m-tkach 🇺🇦 527 570 27ms 20 Jan 2024 471st SirBogman 🇺🇸 526 205 12ms 2 Jan 2022 472nd CedricGebistorf 524 111 12ms 9 Mar 2022 473rd lynn 523 574 28ms 6 Aug 2023 474th coreynash 522 131 32ms 24 Oct 2023 475th Shanethegamer 🇺🇸 520 249 676ms 25 Sep 2025 476th CaedenHarper 🇨🇦 519 219 520ms 26 Oct 2025 477th namelessiw 518 113 527ms 5 Mar 2024 478th MeWhenI 🇻🇦 518 114 322ms 15 Feb 2023 479th rschwa6308 🇺🇸 515 113 13ms 28 Jun 2021 479th namelessiw 515 113 12ms 11 Jan 2024 479th FortuiteMan 🇫🇷 515 113 72ms 18 Dec 2025 482nd MeWhenI 🇻🇦 515 239 246ms 3 Dec 2021 483rd johndevou 514 210 33ms 18 Nov 2021 484th commandz0 🇺🇸 513 114 460ms 15 Jan 2024 485th Lv0Sys 🇵🇱 511 94 55ms 4 Dec 2025 486th lifthrasiir 🇰🇷 511 578 7ms 19 Dec 2024 487th MeWhenI 🇻🇦 511 588 28ms 6 Jun 2023 488th Yewzir 🇧🇪 509 223 6ms 18 Feb 2024 489th dokutan 509 242 248ms 1 Jul 2025 490th RaBa21 🇭🇺 506 115 21ms 1 Aug 2025 491st CatsAreFluffy 505 116 494ms 15 Jan 2024 491st JunkIce 505 116 426ms 7 Mar 2025 493rd petroselo 502 116 12ms 16 Nov 2021 493rd amollberg 🇸🇪 502 116 24ms 30 Jan 2022 493rd CatsAreFluffy 502 116 15ms 10 Jan 2023 493rd JunkIce 502 116 20ms 7 Mar 2025 493rd robin-scragg 502 116 74ms 21 Oct 2025 498th dokutan 502 226 6ms 11 Jan 2024 499th m-tkach 🇺🇦 486 222 1ms 17 Dec 2022 499th Yewzir 🇧🇪 486 222 2ms 22 Dec 2023 First Prev 401–500 of 1,790 Next Last