Number Spiral 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 525th janbehrens 🇩🇪 555 146 9 Aug 2023 527th GrayJoKing 🇦🇺 555 181 8 Mar 2023 528th MeWhenI 🇻🇦 553 177 12 Sep 2022 529th msbranicky 552 199 27 Jul 2023 530th MeWhenI 🇻🇦 550 161 28 May 2023 531st dokutan 548 163 1 Apr 2024 532nd yzhs 🇩🇪 547 115 3 Jun 2022 532nd RYNO8 547 115 25 Aug 2023 534th coreynash 547 148 27 Nov 2023 535th janbehrens 🇩🇪 547 162 2 Jul 2023 536th retrohun 547 228 1 Jan 2023 537th Yewzir 🇧🇪 545 158 15 Oct 2023 538th MeWhenI 🇻🇦 545 164 26 May 2023 539th MeWhenI 🇻🇦 545 229 12 May 2022 539th GolfingSuccess 🇬🇷 545 229 16 May 2022 539th Natanaelel 🇸🇪 545 229 19 May 2022 539th lynn 545 229 27 May 2022 539th inventshah 545 229 4 Jun 2022 539th sisyphus-ppcg 🇦🇺 545 229 8 Jul 2022 539th galloj 🇨🇿 545 229 25 Aug 2022 539th dokutan 545 229 5 Oct 2023 539th stefangimmillaro 545 229 15 Jul 2025 548th Bubbler-4 542 116 28 Jan 2022 548th KasperKivimaeki 🇫🇮 542 116 5 Jul 2025 550th klixel 🇨🇦 541 205 17 May 2023 551st MeWhenI 🇻🇦 540 56 26 Jan 2022 552nd SirBogman 🇺🇸 540 112 20 Jan 2024 552nd CaedenHarper 🇨🇦 540 112 26 days ago 554th Salutations45 540 150 9 Jan 2025 555th snobee 🇨🇦 540 204 12 Dec 2022 556th mathisfun271 538 117 15 Dec 2023 556th elgan65536 538 117 7 Mar 2024 558th Natanaelel 🇸🇪 538 132 25 May 2022 559th shinh 537 116 25 Jun 2022 560th HumanoidCPU 537 184 29 Aug 2024 561st Natanaelel 🇸🇪 536 151 26 Apr 2022 562nd CaedenHarper 🇨🇦 533 118 26 days ago 563rd non-bin 529 153 26 Jun 2025 564th msbranicky 529 243 15 Sep 2023 565th InigoK 🇺🇸 528 119 8 Jun 2023 566th Ripick 527 212 11 Aug 2024 567th dokutan 526 159 1 Apr 2024 568th janbehrens 🇩🇪 526 170 20 Jul 2022 569th Alex-x90 🇺🇸 524 120 15 Sep 2023 569th fourth-bit 524 120 8 Oct 2024 571st BambooleanLogic 🇸🇪 522 155 22 Aug 2022 572nd angel-p57 🇯🇵 522 434 26 Nov 2023 573rd KatieLG 🇬🇧 520 121 11 Dec 2022 573rd betaveros 520 121 6 Jan 2023 575th Qruintrox 520 172 25 Jun 2023 576th zakariamouhid 519 156 5 Mar 2023 577th elgan65536 517 213 6 Mar 2024 578th XenThe 🇬🇧 516 157 24 Jun 2025 579th albanian-laundromat 515 190 9 Jul 2025 580th OmameBeans 515 197 27 Jun 2025 581st MeWhenI 🇻🇦 511 47 26 Jan 2022 581st greenstuartj 511 47 3 Aug 2023 581st jhfranklin 🇬🇧 511 47 29 Aug 2023 584th Herbert00709 🇵🇱 511 217 6 Jan 2025 585th janbehrens 🇩🇪 508 200 27 Feb 2022 586th edsrzf 🇳🇿 507 124 5 days ago 587th two-bad 🇬🇧 506 160 25 Feb 2024 588th dokutan 505 158 9 days ago 589th weliveinhell 🇭🇹 505 228 2 Oct 2023 590th ahmetdemirag 🇨🇾 503 125 24 Nov 2024 591st GolfingSuccess 🇬🇷 502 298 12 Mar 2023 592nd KatieLG 🇬🇧 500 121 28 Oct 2024 593rd rgthree 500 162 24 Aug 2023 594th neel11235813 500 299 14 Mar 2023 594th dokutan 500 299 1 Apr 2023 594th jmerle 🇳🇱 500 299 4 Jul 2023 597th BREMAUCY 🇫🇷 499 126 21 days ago 598th MeWhenI 🇻🇦 496 177 29 Apr 2025 599th dokutan 496 232 5 Oct 2023 600th yoshykai 495 287 8 Apr 2025 Prev 526–600 of 1,647 Next