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 RockOfStone 563 213 4 Nov 2021 377th Yewzir 🇧🇪 561 234 22 Dec 2023 378th stefangimmillaro 560 171 19 Nov 2024 379th dokutan 556 217 28 Mar 2024 380th Natanaelel 🇸🇪 555 88 10 Sep 2021 381st jatloe 554 105 26 Sep 2024 382nd MeWhenI 🇻🇦 552 238 10 Feb 2023 383rd Shanethegamer 🇺🇸 548 158 20 May 2022 384th m-tkach 🇺🇦 547 240 17 Dec 2022 385th dokutan 546 107 21 Mar 2025 386th olivermrose 🇺🇸 543 90 28 Oct 2021 386th BrenSchaap 543 90 13 Nov 2021 388th AkashTandon167 543 107 1 Nov 2021 388th dokutan 543 107 21 Mar 2025 390th MeWhenI 🇻🇦 540 78 28 Feb 2025 391st dokutan 540 222 3 Apr 2024 392nd dokutan 540 243 19 Aug 2024 393rd nullie 538 108 9 Jun 2022 394th edsrzf 🇳🇿 537 177 20 Dec 2024 395th Yewzir 🇧🇪 536 245 3 Jan 2024 396th dokutan 535 427 8 Dec 2023 397th marcin7Cd 533 109 9 Feb 2021 397th OllieBoyne 🇬🇧 533 109 25 May 2022 397th scpchicken 🇵🇼 533 109 28 Feb 2023 397th CutSandstone 533 109 8 Jul 2024 401st msbranicky 532 247 3 Oct 2023 401st stefangimmillaro 532 247 13 Dec 2024 403rd dokutan 532 371 13 Jan 2025 404th scpchicken 🇵🇼 531 93 17 Feb 2023 405th pschmid0 🇺🇸 530 182 9 Oct 2022 406th Yewzir 🇧🇪 529 228 6 Jul 2023 407th qpwoeirut 528 110 23 days ago 408th SirBogman 🇺🇸 525 205 2 Jan 2022 409th dokutan 525 250 6 Jan 2024 410th CedricGebistorf 524 111 9 Mar 2022 411th m-tkach 🇺🇦 524 570 20 Jan 2024 412th coreynash 521 131 24 Oct 2023 413th lynn 520 574 6 Aug 2023 414th namelessiw 517 113 5 Mar 2024 415th MeWhenI 🇻🇦 517 114 15 Feb 2023 416th rschwa6308 🇺🇸 514 113 28 Jun 2021 416th namelessiw 514 113 11 Jan 2024 418th johndevou 513 210 18 Nov 2021 419th MeWhenI 🇻🇦 513 239 3 Dec 2021 420th commandblockguy 🇺🇸 512 114 15 Jan 2024 421st lifthrasiir 🇰🇷 510 578 19 Dec 2024 422nd Yewzir 🇧🇪 508 223 18 Feb 2024 423rd MeWhenI 🇻🇦 508 588 6 Jun 2023 424th dokutan 507 242 1 Jul 2025 425th ryyyn 🇺🇸 506 115 22 Jul 2025 425th RaBa21 🇭🇺 506 115 1 Aug 2025 427th CatsAreFluffy 504 116 15 Jan 2024 427th JunkIce 504 116 7 Mar 2025 429th petroselo 501 116 16 Nov 2021 429th amollberg 🇸🇪 501 116 30 Jan 2022 429th CatsAreFluffy 501 116 10 Jan 2023 429th JunkIce 501 116 7 Mar 2025 429th snoozingnewt 🇺🇸 501 116 31 Mar 2025 434th dokutan 501 226 11 Jan 2024 435th h3ra993huskp 🇯🇵 499 347 21 Jan 2024 436th yuchuehw 493 118 18 Jan 2024 437th m-tkach 🇺🇦 485 222 17 Dec 2022 437th Yewzir 🇧🇪 485 222 22 Dec 2023 439th Waffle3z 484 101 17 Jan 2021 440th knutae 🇳🇴 484 120 29 Jun 2021 441st two-bad 🇬🇧 484 141 25 Feb 2024 442nd yzhs 🇩🇪 481 180 24 Jul 2021 443rd frosster 480 250 13 Mar 2025 444th guilhem-roy 🇫🇷 477 122 28 Feb 2022 444th inverseLorentz 🇦🇺 477 122 24 Oct 2023 446th alemelis 472 125 14 Aug 2024 447th dokutan 470 229 1 May 2024 448th Yewzir 🇧🇪 470 362 27 Apr 2024 449th Yewzir 🇧🇪 469 242 11 Feb 2024 450th jared-hughes 466 233 17 Jul 2022 Prev 376–450 of 1,630 Next