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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 525th FortuiteMan 🇫🇷 562 112 10ms 5 Oct 2023 525th wh3n3v3r 🇨🇿 562 112 11ms 12 Nov 2024 528th w911 561 158 4ms 10 Oct 2024 529th msbranicky 560 435 10ms 19 Sep 2023 530th junkondo-jp 559 145 9ms 1 Jun 2024 531st ashtraypettingzoo 🇺🇸 558 43 38ms 23 Feb 2023 532nd aposteriorist 🇨🇦 557 113 9ms 30 Jan 2022 532nd aksyristos 557 113 9ms 30 Dec 2022 534th nipzu 556 198 122ms 3 Sep 2022 535th vroup 🇩🇰 555 146 8ms 29 Sep 2022 535th janbehrens 🇩🇪 555 146 8ms 9 Aug 2023 537th GrayJoKing 🇦🇺 555 181 99ms 8 Mar 2023 538th MeWhenI 🇻🇦 554 177 2ms 12 Sep 2022 539th msbranicky 552 199 2ms 27 Jul 2023 540th MeWhenI 🇻🇦 550 161 4ms 28 May 2023 540th GolfingSuccess 🇬🇷 550 161 5ms 16 Aug 2024 542nd dokutan 549 163 2ms 1 Apr 2024 543rd coreynash 548 148 9ms 27 Nov 2023 544th retrohun 548 228 2ms 1 Jan 2023 545th yzhs 🇩🇪 547 115 17ms 3 Jun 2022 545th RYNO8 547 115 9ms 25 Aug 2023 547th janbehrens 🇩🇪 547 162 4ms 2 Jul 2023 548th MeWhenI 🇻🇦 545 164 2ms 26 May 2023 549th MeWhenI 🇻🇦 545 229 2ms 12 May 2022 549th GolfingSuccess 🇬🇷 545 229 2ms 16 May 2022 549th Natanaelel 🇸🇪 545 229 3ms 19 May 2022 549th lynn 545 229 3ms 27 May 2022 549th inventshah 545 229 3ms 4 Jun 2022 549th sisyphus-ppcg 🇦🇺 545 229 3ms 8 Jul 2022 549th galloj 🇨🇿 545 229 3ms 25 Aug 2022 549th dokutan 545 229 3ms 5 Oct 2023 549th stefangimmillaro 545 229 3ms 15 Jul 2025 558th Yewzir 🇧🇪 544 158 1ms 15 Oct 2023 559th Bubbler-4 542 116 11ms 28 Jan 2022 559th KasperKivimaeki 🇫🇮 542 116 9ms 5 Jul 2025 561st SirBogman 🇺🇸 541 112 894ms 20 Jan 2024 561st CaedenHarper 🇨🇦 541 112 647ms 14 Aug 2025 561st snoozingnewt 🇺🇸 541 112 524ms 28 Sep 2025 564th klixel 🇨🇦 541 205 383ms 17 May 2023 565th MeWhenI 🇻🇦 540 56 2ms 26 Jan 2022 566th Salutations45 540 150 9ms 9 Jan 2025 567th snobee 🇨🇦 540 204 158ms 12 Dec 2022 568th Natanaelel 🇸🇪 539 132 3ms 25 May 2022 569th shinh 538 116 39ms 25 Jun 2022 570th mathisfun271 538 117 9ms 15 Dec 2023 570th elgan65536 538 117 9ms 7 Mar 2024 570th CaedenHarper 🇨🇦 538 117 9ms 6 Oct 2025 573rd HumanoidCPU 538 184 115ms 29 Aug 2024 574th Natanaelel 🇸🇪 537 151 9ms 26 Apr 2022 575th non-bin 530 153 9ms 26 Jun 2025 576th InigoK 🇺🇸 529 119 10ms 8 Jun 2023 577th msbranicky 529 243 268ms 15 Sep 2023 578th Ripick 527 212 361ms 11 Aug 2024 579th dokutan 526 159 9ms 1 Apr 2024 580th janbehrens 🇩🇪 526 170 2ms 20 Jul 2022 581st Alex-x90 🇺🇸 524 120 9ms 15 Sep 2023 581st fourth-bit 524 120 10ms 8 Oct 2024 583rd BambooleanLogic 🇸🇪 523 155 9ms 22 Aug 2022 584th angel-p57 🇯🇵 523 434 2ms 26 Nov 2023 585th KatieLG 🇬🇧 520 121 22ms 11 Dec 2022 585th betaveros 520 121 9ms 6 Jan 2023 587th Qruintrox 520 172 2ms 25 Jun 2023 588th zakariamouhid 519 156 9ms 5 Mar 2023 589th elgan65536 517 213 169ms 6 Mar 2024 590th XenThe 🇬🇧 516 157 9ms 24 Jun 2025 591st albanian-laundromat 516 190 3ms 9 Jul 2025 592nd OmameBeans 516 197 363ms 27 Jun 2025 593rd qrakhen 513 198 330ms 2 days ago 594th MeWhenI 🇻🇦 511 47 40ms 26 Jan 2022 594th greenstuartj 511 47 39ms 3 Aug 2023 594th jhfranklin 🇬🇧 511 47 34ms 29 Aug 2023 597th Herbert00709 🇵🇱 511 217 54ms 6 Jan 2025 598th janbehrens 🇩🇪 508 200 377ms 27 Feb 2022 599th edsrzf 🇳🇿 507 124 9ms 3 Sep 2025 600th dokutan 506 158 739ms 30 Aug 2025 First Prev 526–600 of 1,681 Next Last