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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 376th stefangimmillaro 560 171 19 Nov 2024 377th dokutan 556 217 28 Mar 2024 378th Natanaelel 🇸🇪 555 88 10 Sep 2021 379th AkashTandon167 552 107 1 Nov 2021 379th dokutan 552 107 21 Mar 2025 381st MeWhenI 🇻🇦 552 238 10 Feb 2023 382nd Shanethegamer 🇺🇸 548 158 20 May 2022 383rd nullie 547 108 9 Jun 2022 384th m-tkach 🇺🇦 547 240 17 Dec 2022 385th dokutan 546 107 21 Mar 2025 386th xiBread 🇺🇸 543 90 28 Oct 2021 386th BrenSchaap 543 90 13 Nov 2021 388th marcin7Cd 542 109 9 Feb 2021 388th OllieBoyne 🇬🇧 542 109 25 May 2022 388th scpchicken 🇵🇼 542 109 28 Feb 2023 388th CutSandstone 542 109 8 Jul 2024 392nd MeWhenI 🇻🇦 540 78 28 Feb 2025 393rd dokutan 540 222 3 Apr 2024 394th dokutan 540 243 19 Aug 2024 395th qpwoeirut 537 110 13 days ago 396th edsrzf 🇳🇿 537 177 20 Dec 2024 397th Yewzir 🇧🇪 536 245 3 Jan 2024 398th dokutan 535 427 8 Dec 2023 399th CedricGebistorf 532 111 9 Mar 2022 400th msbranicky 532 247 3 Oct 2023 400th stefangimmillaro 532 247 13 Dec 2024 402nd dokutan 532 371 13 Jan 2025 403rd scpchicken 🇵🇼 531 93 17 Feb 2023 404th pschmid0 🇺🇸 530 182 9 Oct 2022 405th Yewzir 🇧🇪 529 228 6 Jul 2023 406th SirBogman 🇺🇸 525 205 2 Jan 2022 407th dokutan 525 250 6 Jan 2024 408th m-tkach 🇺🇦 524 570 20 Jan 2024 409th rschwa6308 🇺🇸 523 113 28 Jun 2021 409th namelessiw 523 113 11 Jan 2024 411th coreynash 521 131 24 Oct 2023 412th lynn 520 574 6 Aug 2023 413th namelessiw 517 113 5 Mar 2024 414th MeWhenI 🇻🇦 517 114 15 Feb 2023 415th ryyyn 🇺🇸 514 115 22 Jul 2025 415th RaBa21 🇭🇺 514 115 22 days ago 417th johndevou 513 210 18 Nov 2021 418th MeWhenI 🇻🇦 513 239 3 Dec 2021 419th commandblockguy 🇺🇸 512 114 15 Jan 2024 420th lifthrasiir 🇰🇷 510 578 19 Dec 2024 421st petroselo 509 116 16 Nov 2021 421st amollberg 🇸🇪 509 116 30 Jan 2022 421st CatsAreFluffy 509 116 10 Jan 2023 421st JunkIce 509 116 7 Mar 2025 421st snoozingnewt 🇺🇸 509 116 31 Mar 2025 426th Yewzir 🇧🇪 508 223 18 Feb 2024 427th MeWhenI 🇻🇦 508 588 6 Jun 2023 428th dokutan 507 242 1 Jul 2025 429th CatsAreFluffy 504 116 15 Jan 2024 429th JunkIce 504 116 7 Mar 2025 431st yuchuehw 501 118 18 Jan 2024 432nd dokutan 501 226 11 Jan 2024 433rd h3ra993huskp 🇯🇵 499 347 21 Jan 2024 434th knutae 🇳🇴 492 120 29 Jun 2021 435th m-tkach 🇺🇦 485 222 17 Dec 2022 435th Yewzir 🇧🇪 485 222 22 Dec 2023 437th Waffle3z 484 101 17 Jan 2021 438th guilhem-roy 🇫🇷 484 122 28 Feb 2022 438th inverseLorentz 🇦🇺 484 122 24 Oct 2023 440th two-bad 🇬🇧 484 141 25 Feb 2024 441st yzhs 🇩🇪 481 180 24 Jul 2021 442nd frosster 480 250 13 Mar 2025 443rd alemelis 472 125 14 Aug 2024 444th dokutan 470 229 1 May 2024 445th Yewzir 🇧🇪 470 362 27 Apr 2024 446th LukasFolwarczny 🇨🇿 469 126 16 Sep 2022 447th Yewzir 🇧🇪 469 242 11 Feb 2024 448th jared-hughes 466 233 17 Jul 2022 449th osmith93 465 127 10 Jul 2022 450th Shanethegamer 🇺🇸 457 248 12 Dec 2021 Prev 376–450 of 1,624 Next