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 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 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 446th mossiegoat 501 116 74ms 23 days ago 452nd dokutan 501 226 7ms 11 Jan 2024 453rd tomh1012 500 227 439ms 18 Sep 2025 454th CaedenHarper 🇨🇦 500 263 272ms 9 days ago 455th cros107 🇦🇺 493 118 50ms 16 Sep 2025 456th CaedenHarper 🇨🇦 491 128 822ms 9 Sep 2025 457th knutae 🇳🇴 485 120 11ms 29 Jun 2021 458th two-bad 🇬🇧 485 141 874ms 25 Feb 2024 459th m-tkach 🇺🇦 485 222 2ms 17 Dec 2022 459th Yewzir 🇧🇪 485 222 2ms 22 Dec 2023 461st Waffle3z 484 101 64ms 17 Jan 2021 462nd yzhs 🇩🇪 481 180 159ms 24 Jul 2021 463rd frosster 480 250 2ms 13 Mar 2025 464th guilhem-roy 🇫🇷 477 122 13ms 28 Feb 2022 464th inverseLorentz 🇦🇺 477 122 123ms 24 Oct 2023 466th alemelis 473 125 2,273ms 14 Aug 2024 467th dokutan 471 229 2ms 1 May 2024 468th neihousaigaai 470 275 428ms 5 Jan 2022 469th Yewzir 🇧🇪 469 242 369ms 11 Feb 2024 470th jared-hughes 466 233 1,972ms 17 Jul 2022 471st LukasFolwarczny 🇨🇿 462 126 14ms 16 Sep 2022 472nd osmith93 458 127 83ms 10 Jul 2022 473rd Shanethegamer 🇺🇸 457 248 373ms 12 Dec 2021 474th eranws 456 150 48ms 2 Nov 2022 475th janbehrens 🇩🇪 455 150 375ms 3 Dec 2023 476th dokutan 455 249 370ms 21 Aug 2024 477th adamnielson42 🇺🇸 453 93 22ms 20 Nov 2023 478th LucaArgentiUCF 🇮🇹 448 294 115ms 28 Jan 2021 479th yokasuretsu 447 130 33ms 13 Jan 2025 479th WillowWispy 447 130 14ms 16 Mar 2025 481st NickTheEASDude 🇺🇸 444 131 191ms 20 Aug 2024 482nd FortuiteMan 🇫🇷 441 132 2,402ms 21 Jul 2025 483rd MeWhenI 🇻🇦 439 399 30ms 10 Jul 2021 484th dokutan 438 231 1,298ms 23 Aug 2024 485th Shanethegamer 🇺🇸 437 113 241ms 4 Dec 2022 486th jacekwladzinski 437 133 11ms 9 Oct 2025 487th dokutan 437 219 3,181ms 23 Oct 2024 488th hiddicop 🇸🇪 436 112 77ms 29 Jan 2021 489th jacobly0 🇺🇸 436 275 2ms 21 Sep 2023 490th glesnick 431 135 191ms 18 Aug 2022 491st madex 🇩🇪 431 250 43ms 27 Oct 2024 492nd boxjelly 430 201 147ms 26 Jan 2021 493rd MeWhenI 🇻🇦 428 223 45ms 3 Sep 2024 494th dokutan 422 226 40ms 24 Aug 2024 495th Pyroan 421 138 101ms 14 May 2025 495th InigoK 🇺🇸 421 138 33ms 25 Aug 2025 497th michelebastione 🇮🇹 418 139 82ms 10 Apr 2021 497th cubed-guy 418 139 31ms 2 Nov 2022 499th dokutan 417 218 9ms 5 May 2024 500th MeWhenI 🇻🇦 416 209 72ms 13 Dec 2022 501st SniperSmiley 🇺🇸 415 140 103ms 30 Jun 2022 501st StefanHabel 🇨🇦 415 140 69ms 21 Apr 2024 503rd RYNO8 410 142 14ms 4 Sep 2021 504th Yewzir 🇧🇪 410 203 70ms 9 Mar 2024 505th MeWhenI 🇻🇦 408 724 9ms 28 Nov 2023 506th albanian-laundromat 404 333 986ms 8 Sep 2025 507th Yewzir 🇧🇪 403 207 434ms 7 Jul 2023 508th m-tkach 🇺🇦 401 145 113ms 19 Sep 2021 509th neihousaigaai 398 146 18ms 8 Apr 2021 509th AGoyet 398 146 29ms 29 Jun 2022 511th Yewzir 🇧🇪 397 210 996ms 18 Feb 2024 512th RDShah 396 147 182ms 19 Jan 2021 513th dokutan 391 445 1,523ms 23 days ago 514th MeWhenI 🇻🇦 389 202 22ms 15 Nov 2021 515th cure-honey 🇯🇵 389 338 136ms 23 Mar 2021 516th dokutan 389 703 11ms 28 Jun 2025 517th Schmitt-Very-Cool 387 334 773ms 1 Oct 2025 518th boxjelly 385 127 708ms 12 Feb 2021 519th Indivicivet 385 151 397ms 26 Oct 2021 520th Yewzir 🇧🇪 383 205 16ms 11 Nov 2023 521st hiddicop 🇸🇪 380 153 16ms 29 Jan 2021 521st ahmetdemirag 🇨🇾 380 153 528ms 16 Apr 2025 523rd h3ra993huskp 🇯🇵 372 347 436ms 21 Jan 2024 524th aksyristos 370 132 1,069ms 17 Nov 2024 525th LeeCamp 366 159 18ms 16 Feb 2022 First Prev 451–525 of 1,652 Next Last