Emirp Numbers (Long) 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 601st HumanoidCPU 618 94 27 May 2024 602nd guilhem-roy 🇫🇷 618 99 21 Nov 2022 602nd firegene 🇮🇪 618 99 20 Dec 2023 602nd mathisfun271 618 99 23 Dec 2023 602nd Grrisly 618 99 30 Mar 2024 606th emplv 🇱🇻 618 102 23 Nov 2022 607th cbrt-x 618 221 14 Sep 2023 608th DialFrost 🇸🇬 616 48 19 Nov 2023 609th aydamak 615 92 15 May 2024 610th msbranicky 615 222 9 Jan 2024 611th 5cw 🇺🇸 614 44 10 Apr 2023 612th dokutan 614 132 2 Aug 2024 613th Shanethegamer 🇺🇸 614 162 3 Dec 2022 614th bac0id 613 110 29 Jun 2024 615th Maximizer02 613 149 23 Apr 2024 616th MeWhenI 🇻🇦 613 313 4 Nov 2022 617th SirBogman 🇺🇸 612 95 20 Jan 2024 618th jared-hughes 612 100 31 Oct 2022 618th adamnielson42 🇺🇸 612 100 20 Apr 2023 618th InigoK 🇺🇸 612 100 12 Jun 2023 621st f-tucker 612 143 18 Jan 2024 621st Us1ngTh3Hub 612 143 23 Feb 2024 621st bac0id 612 143 2 Jul 2024 624th zakariamouhid 608 111 13 Jun 2023 625th JGDoerrer 608 181 20 Dec 2022 625th Florian-Mt 608 181 12 Jul 2024 627th jared-hughes 602 127 31 Oct 2022 628th msbranicky 601 136 11 Oct 2023 629th inventshah 600 102 26 Oct 2024 629th andrewjc2000 600 102 10 Jul 2025 631st CaedenHarper 🇨🇦 599 97 12 Nov 2024 632nd Shanethegamer 🇺🇸 598 95 20 Apr 2025 633rd targrik 597 113 12 May 2025 634th MeWhenI 🇻🇦 597 128 24 Oct 2024 635th wh3n3v3r 🇨🇿 595 171 19 Nov 2024 636th Starwort 🇬🇧 595 185 11 Nov 2022 637th Starwort 🇬🇧 594 103 9 Nov 2022 637th Jacob385 594 103 5 Mar 2024 639th Kokusui 🇯🇵 594 106 26 Jul 2024 640th zer0bits42 592 161 3 Nov 2022 641st yzhs 🇩🇪 589 96 21 Jun 2023 642nd isaiah0311 588 149 16 Feb 2023 642nd 09cf 588 149 24 Jun 2023 644th Z-snails 588 187 27 Feb 2023 645th alemelis 587 99 1 Sep 2024 646th MeWhenI 🇻🇦 585 113 5 Apr 2025 647th MateuszPietrzak 🇵🇱 584 183 22 Nov 2023 648th Drew-j-Smith 583 105 5 Nov 2022 648th Mikey-Beep 🇬🇧 583 105 31 Aug 2023 648th StefanHabel 🇨🇦 583 105 13 Apr 2024 651st GeorgeStechman 🇬🇧 582 116 20 Nov 2022 652nd MichalMarsalek 🇨🇿 581 100 21 Jan 2024 653rd MeWhenI 🇻🇦 581 121 16 Aug 2024 654th HumanoidCPU 580 151 18 Apr 2024 655th anderium 578 106 5 Aug 2023 655th mikehanus 578 106 5 Dec 2023 655th 051 🇸🇬 578 106 25 Dec 2023 655th CaedenHarper 🇨🇦 578 106 19 Sep 2024 659th JRaspass 🇬🇧 578 218 3 Feb 2023 660th bac0id 577 132 29 Jun 2024 661st stefangimmillaro 575 163 2 Nov 2022 662nd inverseLorentz 🇦🇺 574 139 4 May 2024 663rd edsrzf 🇳🇿 573 110 21 Sep 2024 664th stellartux 572 105 1 Jan 2024 665th Eilonlif 🇮🇱 572 107 2 Nov 2022 665th TobyBoyne 🇬🇧 572 107 16 Jan 2023 665th fkantelberg 572 107 20 Jul 2023 665th cros107 572 107 15 Oct 2023 665th vhoulbreque 🇫🇷 572 107 27 Mar 2024 665th rollershutter 572 107 18 Nov 2024 671st Protothor 572 118 2 Jul 2025 672nd purp 571 99 16 Nov 2022 673rd jerrandolph 570 221 3 Nov 2023 674th Natanaelel 🇸🇪 569 154 29 Oct 2022 675th KatieLG 🇬🇧 568 157 15 Jan 2023 Prev 601–675 of 1,515 Next