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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 451st knutae 🇳🇴 485 120 11ms 29 Jun 2021 452nd two-bad 🇬🇧 485 141 954ms 25 Feb 2024 453rd m-tkach 🇺🇦 485 222 2ms 17 Dec 2022 453rd Yewzir 🇧🇪 485 222 2ms 22 Dec 2023 455th Waffle3z 484 101 64ms 17 Jan 2021 456th yzhs 🇩🇪 481 180 159ms 24 Jul 2021 457th frosster 480 250 2ms 13 Mar 2025 458th guilhem-roy 🇫🇷 477 122 13ms 28 Feb 2022 458th inverseLorentz 🇦🇺 477 122 123ms 24 Oct 2023 460th alemelis 473 125 2,273ms 14 Aug 2024 461st dokutan 470 229 2ms 1 May 2024 462nd Yewzir 🇧🇪 469 242 369ms 11 Feb 2024 463rd neihousaigaai 469 275 575ms 5 Jan 2022 464th jared-hughes 466 233 1,972ms 17 Jul 2022 465th LukasFolwarczny 🇨🇿 462 126 14ms 16 Sep 2022 466th osmith93 458 127 83ms 10 Jul 2022 467th Shanethegamer 🇺🇸 457 248 373ms 12 Dec 2021 468th eranws 456 150 46ms 2 Nov 2022 469th janbehrens 🇩🇪 455 150 375ms 3 Dec 2023 470th dokutan 455 249 370ms 21 Aug 2024 471st adamnielson42 🇺🇸 453 93 22ms 20 Nov 2023 472nd LucaArgentiUCF 🇮🇹 448 294 115ms 28 Jan 2021 473rd yokasuretsu 447 130 33ms 13 Jan 2025 473rd WillowWispy 447 130 14ms 16 Mar 2025 475th NickTheEASDude 🇺🇸 444 131 191ms 20 Aug 2024 476th FortuiteMan 🇫🇷 441 132 2,402ms 21 Jul 2025 477th MeWhenI 🇻🇦 439 399 30ms 10 Jul 2021 478th dokutan 438 231 1,195ms 23 Aug 2024 479th Shanethegamer 🇺🇸 437 113 241ms 4 Dec 2022 480th jacekwladzinski 437 133 11ms 14 days ago 481st dokutan 437 219 2,336ms 23 Oct 2024 482nd hiddicop 🇸🇪 436 112 77ms 29 Jan 2021 483rd jacobly0 🇺🇸 436 275 2ms 21 Sep 2023 484th glesnick 431 135 191ms 18 Aug 2022 485th madex 🇩🇪 431 250 43ms 27 Oct 2024 486th boxjelly 430 201 147ms 26 Jan 2021 487th MeWhenI 🇻🇦 426 223 46ms 3 Sep 2024 488th Pyroan 421 138 101ms 14 May 2025 488th InigoK 🇺🇸 421 138 33ms 25 Aug 2025 490th dokutan 421 226 49ms 24 Aug 2024 491st michelebastione 🇮🇹 418 139 82ms 10 Apr 2021 491st cubed-guy 418 139 31ms 2 Nov 2022 493rd dokutan 417 218 9ms 5 May 2024 494th MeWhenI 🇻🇦 416 209 98ms 13 Dec 2022 495th SniperSmiley 🇺🇸 415 140 103ms 30 Jun 2022 495th StefanHabel 🇨🇦 415 140 69ms 21 Apr 2024 497th RYNO8 410 142 14ms 4 Sep 2021 498th Yewzir 🇧🇪 410 203 70ms 9 Mar 2024 499th MeWhenI 🇻🇦 407 724 9ms 28 Nov 2023 500th albanian-laundromat 404 333 986ms 8 Sep 2025 501st Yewzir 🇧🇪 403 207 287ms 7 Jul 2023 502nd m-tkach 🇺🇦 401 145 113ms 19 Sep 2021 503rd neihousaigaai 398 146 18ms 8 Apr 2021 503rd AGoyet 398 146 29ms 29 Jun 2022 505th Yewzir 🇧🇪 397 210 996ms 18 Feb 2024 506th RDShah 396 147 182ms 19 Jan 2021 507th MeWhenI 🇻🇦 389 202 22ms 15 Nov 2021 508th cure-honey 🇯🇵 389 338 136ms 23 Mar 2021 509th dokutan 389 445 1,759ms 2 days ago 510th dokutan 389 703 12ms 28 Jun 2025 511th Schmitt-Very-Cool 386 334 1,069ms 22 days ago 512th boxjelly 385 127 708ms 12 Feb 2021 513th Indivicivet 385 151 397ms 26 Oct 2021 514th Yewzir 🇧🇪 383 205 16ms 11 Nov 2023 515th hiddicop 🇸🇪 380 153 16ms 29 Jan 2021 515th ahmetdemirag 🇨🇾 380 153 528ms 16 Apr 2025 517th h3ra993huskp 🇯🇵 372 347 596ms 21 Jan 2024 518th aksyristos 370 132 1,069ms 17 Nov 2024 519th LeeCamp 366 159 18ms 16 Feb 2022 520th boxjelly 361 161 80ms 21 Jan 2021 520th za3k 361 161 104ms 28 Oct 2022 522nd dokutan 358 390 7ms 1 Apr 2024 523rd emgordon154 356 642 3ms 11 Jul 2024 524th aksyristos 355 164 139ms 26 Jan 2023 525th msbranicky 352 166 583ms 17 Jan 2024 First Prev 451–525 of 1,645 Next Last