Kolakoski Constant in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 449th CatsAreFluffy 501 116 13ms 10 Jan 2023 449th JunkIce 501 116 18ms 7 Mar 2025 449th snoozingnewt 🇺🇸 501 116 18ms 31 Mar 2025 449th mossiegoat 501 116 71ms 21 Oct 2025 455th dokutan 501 226 7ms 11 Jan 2024 456th tomh1012 500 227 439ms 18 Sep 2025 457th cros107 🇦🇺 493 118 47ms 16 Sep 2025 458th CaedenHarper 🇨🇦 491 128 822ms 9 Sep 2025 459th knutae 🇳🇴 485 120 10ms 29 Jun 2021 460th two-bad 🇬🇧 485 141 874ms 25 Feb 2024 461st m-tkach 🇺🇦 485 222 2ms 17 Dec 2022 461st Yewzir 🇧🇪 485 222 2ms 22 Dec 2023 463rd Waffle3z 484 101 64ms 17 Jan 2021 464th Yewzir 🇧🇪 482 362 1,659ms 5 days ago 465th yzhs 🇩🇪 481 180 159ms 24 Jul 2021 466th frosster 480 250 2ms 13 Mar 2025 467th guilhem-roy 🇫🇷 477 122 11ms 28 Feb 2022 467th inverseLorentz 🇦🇺 477 122 102ms 24 Oct 2023 469th alemelis 473 125 2,273ms 14 Aug 2024 470th dokutan 471 229 2ms 1 May 2024 471st neihousaigaai 470 275 428ms 5 Jan 2022 472nd Yewzir 🇧🇪 469 242 369ms 11 Feb 2024 473rd jared-hughes 466 233 1,972ms 17 Jul 2022 474th LukasFolwarczny 🇨🇿 462 126 12ms 16 Sep 2022 475th osmith93 458 127 61ms 10 Jul 2022 476th Shanethegamer 🇺🇸 457 248 373ms 12 Dec 2021 477th eranws 456 150 48ms 2 Nov 2022 478th janbehrens 🇩🇪 455 150 375ms 3 Dec 2023 479th dokutan 455 249 370ms 21 Aug 2024 480th adamnielson42 🇺🇸 453 93 22ms 20 Nov 2023 481st LucaArgentiUCF 🇮🇹 448 294 115ms 28 Jan 2021 482nd yokasuretsu 447 130 31ms 13 Jan 2025 482nd WillowWispy 447 130 13ms 16 Mar 2025 484th NickTheEASDude 🇺🇸 444 131 179ms 20 Aug 2024 485th FortuiteMan 🇫🇷 441 132 2,279ms 21 Jul 2025 486th MeWhenI 🇻🇦 439 399 30ms 10 Jul 2021 487th dokutan 438 231 1,267ms 23 Aug 2024 488th Shanethegamer 🇺🇸 437 113 217ms 4 Dec 2022 489th jacekwladzinski 437 133 11ms 9 Oct 2025 490th dokutan 437 219 3,181ms 23 Oct 2024 491st hiddicop 🇸🇪 436 112 77ms 29 Jan 2021 492nd jacobly0 🇺🇸 436 275 2ms 21 Sep 2023 493rd glesnick 431 135 168ms 18 Aug 2022 494th madex 🇩🇪 431 250 43ms 27 Oct 2024 495th boxjelly 430 201 147ms 26 Jan 2021 496th MeWhenI 🇻🇦 428 223 45ms 3 Sep 2024 497th dokutan 422 226 40ms 24 Aug 2024 498th Pyroan 421 138 98ms 14 May 2025 498th InigoK 🇺🇸 421 138 32ms 25 Aug 2025 500th michelebastione 🇮🇹 418 139 69ms 10 Apr 2021 500th cubed-guy 418 139 24ms 2 Nov 2022 502nd dokutan 417 218 9ms 5 May 2024 503rd MeWhenI 🇻🇦 416 209 72ms 13 Dec 2022 504th SniperSmiley 🇺🇸 415 140 96ms 30 Jun 2022 504th StefanHabel 🇨🇦 415 140 67ms 21 Apr 2024 506th RYNO8 410 142 14ms 4 Sep 2021 507th Yewzir 🇧🇪 410 203 70ms 9 Mar 2024 508th MeWhenI 🇻🇦 408 724 9ms 28 Nov 2023 509th albanian-laundromat 404 333 986ms 8 Sep 2025 510th Yewzir 🇧🇪 403 207 77ms 7 Jul 2023 511th m-tkach 🇺🇦 401 145 115ms 19 Sep 2021 512th neihousaigaai 398 146 19ms 8 Apr 2021 512th AGoyet 398 146 25ms 29 Jun 2022 514th Yewzir 🇧🇪 397 210 996ms 18 Feb 2024 515th RDShah 396 147 179ms 19 Jan 2021 516th dokutan 392 445 1,523ms 21 Oct 2025 517th MeWhenI 🇻🇦 389 202 22ms 15 Nov 2021 518th cure-honey 🇯🇵 389 338 136ms 23 Mar 2021 519th dokutan 389 703 11ms 28 Jun 2025 520th Schmitt-Very-Cool 387 334 773ms 1 Oct 2025 521st boxjelly 385 127 708ms 12 Feb 2021 522nd Indivicivet 385 151 388ms 26 Oct 2021 523rd Yewzir 🇧🇪 383 205 16ms 11 Nov 2023 524th hiddicop 🇸🇪 380 153 13ms 29 Jan 2021 524th ahmetdemirag 🇨🇾 380 153 491ms 16 Apr 2025 First Prev 451–525 of 1,657 Next Last