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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 321st DialFrost 🇸🇬 661 74 67ms 1 Jun 2024 322nd m-tkach 🇺🇦 661 208 2ms 26 Oct 2022 323rd andersk 🇺🇸 661 235 118ms 30 Oct 2022 323rd dokutan 661 235 125ms 11 Jan 2024 325th jared-hughes 658 104 13ms 14 Mar 2022 326th dokutan 658 214 107ms 12 Dec 2025 327th Mabeloid 🇳🇴 658 236 126ms 26 Oct 2025 328th MeWhenI 🇻🇦 657 89 133ms 3 Aug 2024 329th Shanethegamer 🇺🇸 657 90 548ms 18 Jan 2023 330th MeWhenI 🇻🇦 657 209 2ms 10 Sep 2022 331st mathisfun271 654 89 18ms 4 Feb 2024 332nd duckyluuk 🇳🇱 654 147 2,373ms 28 Oct 2024 333rd dokutan 654 210 2ms 27 Mar 2024 334th Shanethegamer 🇺🇸 653 128 100ms 16 Dec 2022 335th marcin7Cd 653 174 1,074ms 9 Feb 2021 335th Shanethegamer 🇺🇸 653 174 171ms 28 May 2022 337th Irratix 🇳🇱 652 75 57ms 14 Mar 2022 338th Shanethegamer 🇺🇸 652 144 517ms 7 Jun 2022 338th MeWhenI 🇻🇦 652 144 510ms 14 Oct 2022 340th DialFrost 🇸🇬 650 105 598ms 7 Jun 2024 341st annaproxy 650 121 1,898ms 24 Dec 2022 342nd prplz 🇦🇺 646 90 12ms 8 Feb 2021 342nd jared-hughes 646 90 33ms 15 Aug 2021 344th GolfingSuccess 🇬🇷 643 91 524ms 25 Jan 2025 344th CaedenHarper 🇨🇦 643 91 462ms 10 Dec 2025 346th janbehrens 🇩🇪 643 146 619ms 24 Mar 2022 347th primo-ppcg 🇹🇭 641 202 700ms 3 Aug 2021 348th dokutan 640 234 90ms 23 Jul 2025 349th andrewjc2000 639 91 12ms 7 May 2025 349th CaedenHarper 🇨🇦 639 91 11ms 10 Dec 2025 351st alexsave 639 107 22ms 15 Nov 2025 351st JOrE20 639 107 197ms 19 days ago 353rd Yewzir 🇧🇪 636 216 2ms 18 Jan 2024 354th MichalMarsalek 🇨🇿 636 361 4ms 27 Nov 2022 355th lynn 634 124 1,113ms 16 Nov 2021 356th GolfingSuccess 🇬🇷 632 92 95ms 25 Jan 2021 356th edsrzf 🇳🇿 632 92 28ms 20 Sep 2025 356th solisolu 632 92 11ms 28 Oct 2025 359th snoozingnewt 🇨🇦 632 237 324ms 21 Nov 2025 360th MeWhenI 🇻🇦 628 210 106ms 29 Apr 2025 361st NewDefectus 🇮🇱 626 93 11ms 20 Dec 2021 362nd SirBogman 🇺🇸 625 48 79ms 28 Sep 2022 363rd Herbert00709 🇵🇱 624 173 3ms 5 Apr 2024 364th emgordon154 619 147 55ms 13 Dec 2024 365th janbehrens 🇩🇪 619 209 475ms 17 Jun 2023 366th jkelly467 617 156 2,607ms 23 Dec 2025 367th elgan65536 🇺🇸 616 252 122ms 15 days ago 368th jared-hughes 611 80 292ms 9 Sep 2022 369th KatieLG 🇬🇧 610 96 445ms 28 Oct 2024 370th TimCurwick 🇺🇸 609 112 604ms 26 Jan 2021 371st janbehrens 🇩🇪 606 96 101ms 17 Jun 2023 371st KatieLG 🇬🇧 606 96 41ms 29 Jul 2024 371st cros107 🇦🇺 606 96 22ms 1 Jan 2026 374th didion0 🇺🇸 605 113 57ms 6 May 2021 374th Yax42 🇫🇷 605 113 19ms 21 Jan 2026 376th ovs-code 🇩🇪 605 130 735ms 14 Mar 2025 377th o0lit3 🇺🇸 602 70 186ms 15 Sep 2021 378th SirBogman 🇺🇸 602 223 65ms 3 Jan 2022 379th quimey 600 97 86ms 16 Mar 2023 380th KatieLG 🇬🇧 599 382 3ms 12 Oct 2021 381st emgordon154 597 82 38ms 2 Apr 2025 382nd Waffle3z 596 385 4ms 31 Jan 2021 383rd croc54 594 98 63ms 14 Jan 2025 384th annaproxy 593 146 557ms 28 Jul 2022 385th janbehrens 🇩🇪 591 100 344ms 1 Nov 2021 386th SirFireball3521 588 84 141ms 1 Mar 2023 387th stertooy 🇧🇪 588 99 72ms 16 Jun 2024 387th luuumine 🇫🇷 588 99 40ms 9 Oct 2025 389th stefangimmillaro 588 224 106ms 18 Sep 2023 390th MeWhenI 🇻🇦 588 264 167ms 16 Mar 2022 391st MeWhenI 🇻🇦 587 134 12ms 2 Oct 2022 392nd GeorgeStechman 🇬🇧 585 117 18ms 17 Nov 2022 393rd Shanethegamer 🇺🇸 583 143 1,374ms 8 Apr 2021 394th argusdusty 🇺🇸 582 100 12ms 25 Mar 2021 394th nstearns96 🇬🇧 582 100 311ms 21 Jan 2023 394th adamnielson42 🇺🇸 582 100 78ms 8 Nov 2023 394th CommandLeo 🇮🇹 582 100 35ms 27 days ago 398th MeWhenI 🇻🇦 582 196 4ms 12 Aug 2024 399th KatieLG 🇬🇧 580 118 19ms 5 Oct 2025 400th kmathis22 580 223 773ms 6 Dec 2025 First Prev 321–400 of 1,759 Next Last