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 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 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 376th AlephSquirrel 566 53 3 Jan 2023 377th RockOfStone 563 213 4 Nov 2021 378th Yewzir 🇧🇪 561 234 22 Dec 2023 379th stefangimmillaro 560 171 19 Nov 2024 380th dokutan 556 217 28 Mar 2024 381st Natanaelel 🇸🇪 555 88 10 Sep 2021 382nd jatloe 554 105 26 Sep 2024 383rd MeWhenI 🇻🇦 552 238 10 Feb 2023 384th Shanethegamer 🇺🇸 548 158 20 May 2022 385th m-tkach 🇺🇦 547 240 17 Dec 2022 386th dokutan 546 107 21 Mar 2025 387th olivermrose 🇺🇸 543 90 28 Oct 2021 387th BrenSchaap 543 90 13 Nov 2021 389th AkashTandon167 543 107 1 Nov 2021 389th dokutan 543 107 21 Mar 2025 391st MeWhenI 🇻🇦 540 78 28 Feb 2025 392nd dokutan 540 222 3 Apr 2024 393rd dokutan 540 243 19 Aug 2024 394th nullie 538 108 9 Jun 2022 395th edsrzf 🇳🇿 537 177 20 Dec 2024 396th Yewzir 🇧🇪 536 245 3 Jan 2024 397th dokutan 535 427 8 Dec 2023 398th marcin7Cd 533 109 9 Feb 2021 398th OllieBoyne 🇬🇧 533 109 25 May 2022 398th scpchicken 🇵🇼 533 109 28 Feb 2023 398th CutSandstone 533 109 8 Jul 2024 402nd msbranicky 532 247 3 Oct 2023 402nd stefangimmillaro 532 247 13 Dec 2024 404th dokutan 532 371 13 Jan 2025 405th scpchicken 🇵🇼 531 93 17 Feb 2023 406th pschmid0 🇺🇸 530 182 9 Oct 2022 407th Yewzir 🇧🇪 529 228 6 Jul 2023 408th qpwoeirut 528 110 26 days ago 409th SirBogman 🇺🇸 525 205 2 Jan 2022 410th dokutan 525 250 6 Jan 2024 411th CedricGebistorf 524 111 9 Mar 2022 412th m-tkach 🇺🇦 524 570 20 Jan 2024 413th coreynash 521 131 24 Oct 2023 414th lynn 520 574 6 Aug 2023 415th namelessiw 517 113 5 Mar 2024 416th MeWhenI 🇻🇦 517 114 15 Feb 2023 417th rschwa6308 🇺🇸 514 113 28 Jun 2021 417th namelessiw 514 113 11 Jan 2024 419th johndevou 513 210 18 Nov 2021 420th MeWhenI 🇻🇦 513 239 3 Dec 2021 421st commandblockguy 🇺🇸 512 114 15 Jan 2024 422nd lifthrasiir 🇰🇷 510 578 19 Dec 2024 423rd Yewzir 🇧🇪 508 223 18 Feb 2024 424th MeWhenI 🇻🇦 508 588 6 Jun 2023 425th dokutan 507 242 1 Jul 2025 426th ryyyn 🇺🇸 506 115 22 Jul 2025 426th RaBa21 🇭🇺 506 115 1 Aug 2025 428th CatsAreFluffy 504 116 15 Jan 2024 428th JunkIce 504 116 7 Mar 2025 430th petroselo 501 116 16 Nov 2021 430th amollberg 🇸🇪 501 116 30 Jan 2022 430th CatsAreFluffy 501 116 10 Jan 2023 430th JunkIce 501 116 7 Mar 2025 430th snoozingnewt 🇺🇸 501 116 31 Mar 2025 435th dokutan 501 226 11 Jan 2024 436th h3ra993huskp 🇯🇵 499 347 21 Jan 2024 437th yuchuehw 493 118 18 Jan 2024 438th m-tkach 🇺🇦 485 222 17 Dec 2022 438th Yewzir 🇧🇪 485 222 22 Dec 2023 440th Waffle3z 484 101 17 Jan 2021 441st knutae 🇳🇴 484 120 29 Jun 2021 442nd two-bad 🇬🇧 484 141 25 Feb 2024 443rd yzhs 🇩🇪 481 180 24 Jul 2021 444th frosster 480 250 13 Mar 2025 445th guilhem-roy 🇫🇷 477 122 28 Feb 2022 445th inverseLorentz 🇦🇺 477 122 24 Oct 2023 447th alemelis 472 125 14 Aug 2024 448th dokutan 470 229 1 May 2024 449th Yewzir 🇧🇪 470 362 27 Apr 2024 450th Yewzir 🇧🇪 469 242 11 Feb 2024 Prev 376–450 of 1,630 Next