ISBN 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 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 Topological Sort 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 449th sean-niemann 🇺🇸 798 137 3 Feb 2024 452nd Yewzir 🇧🇪 798 185 21 May 2024 453rd mtirado1 797 108 6 May 2023 454th cbrt-x 797 164 16 Jan 2022 455th Shanethegamer 🇺🇸 796 84 9 Jun 2022 456th Shanethegamer 🇺🇸 796 168 28 Apr 2022 457th emgordon154 796 234 18 Apr 2025 458th MeWhenI 🇻🇦 795 101 23 May 2023 459th typeswitch-dev 🇵🇹 795 121 14 Aug 2023 460th Shanethegamer 🇺🇸 795 159 20 Jul 2023 461st stefangimmillaro 794 152 28 Oct 2023 462nd igmcdowell 793 89 24 Feb 2022 462nd inventshah 793 89 21 Jun 2022 462nd olleicua 🇺🇸 793 89 3 Feb 2024 462nd kpal81xd 793 89 15 Sep 2024 466th sean-niemann 🇺🇸 793 118 3 Feb 2024 467th gitbedd 🇬🇧 792 87 10 Jan 2022 467th yzhs 🇩🇪 792 87 21 Mar 2022 467th CheeseCake628 🇳🇴 792 87 16 Feb 2023 467th HumanoidCPU 792 87 2 Mar 2025 471st lifthrasiir 🇰🇷 792 206 18 Dec 2024 472nd dokutan 790 79 15 Aug 2024 473rd edsrzf 🇳🇿 790 160 5 May 2025 473rd m-tkach 🇺🇦 790 160 5 May 2025 475th Shanethegamer 🇺🇸 789 115 21 Apr 2022 476th edsrzf 🇳🇿 788 151 7 Apr 2025 477th ovs-code 🇩🇪 788 153 21 Jun 2023 478th prplz 🇦🇺 787 70 19 Jan 2022 478th SirBogman 🇺🇸 787 70 19 May 2022 480th ovs-code 🇩🇪 786 85 27 May 2024 481st LHLaurini 🇧🇷 786 119 17 Jul 2024 482nd Steffan153 🇫🇮 785 57 29 Aug 2024 483rd KrausRaus 🇺🇸 785 106 11 Nov 2023 483rd edsrzf 🇳🇿 785 106 6 Oct 2024 485th Lydxn 🇨🇦 784 53 27 Feb 2023 486th weliveinhell 🇭🇹 784 90 11 Jan 2024 487th tomh1012 783 98 31 Jan 2022 487th pkim 783 98 6 Apr 2023 487th danielxbauer 783 98 6 Apr 2023 487th meinsiedler 783 98 6 Apr 2023 487th postie77 783 98 8 May 2023 492nd lynn 783 154 11 Mar 2022 492nd The3gs 783 154 18 Aug 2023 494th bwat2 783 167 13 Jan 2022 494th rifatx 783 167 23 Jul 2024 496th error256 782 238 18 Apr 2025 497th Salutations45 780 66 2 Jan 2025 498th snoozingnewt 🇺🇸 780 80 14 Jan 2025 499th sean-niemann 🇺🇸 780 127 1 Dec 2023 500th adyache 🇺🇸 779 91 2 Aug 2023 501st GrayJoKing 🇦🇺 779 93 9 Dec 2023 502nd edsrzf 🇳🇿 779 96 4 days ago 503rd MeWhenI 🇻🇦 779 112 4 Aug 2023 504th edsrzf 🇳🇿 779 133 26 Apr 2025 505th clockworknazo 777 85 25 Mar 2023 506th msbranicky 776 112 10 Oct 2023 507th LHLaurini 🇧🇷 776 141 17 Jul 2024 508th adamnielson42 🇺🇸 775 91 26 Apr 2023 509th Skleni 775 99 6 Apr 2023 510th MichalMarsalek 🇨🇿 775 117 21 Apr 2022 511th hellwue 774 89 8 Feb 2023 511th elgan65536 774 89 29 Mar 2024 511th AdamMorris377 774 89 29 Jul 2024 511th RaBa21 🇭🇺 774 89 7 days ago 515th retrohun 773 121 30 Dec 2022 515th abc7-12 773 121 26 Jun 2024 517th andersk 🇺🇸 773 156 30 Oct 2022 517th emgordon154 773 156 14 Mar 2025 519th DialFrost 🇸🇬 773 166 7 May 2025 520th DialFrost 🇸🇬 773 241 18 Apr 2025 521st xsot 🇸🇬 772 58 20 days ago 522nd DialFrost 🇸🇬 772 113 24 May 2025 523rd nwellnhof 🇩🇪 770 54 22 May 2022 524th emgordon154 770 81 1 Aug 2024 525th DialFrost 🇸🇬 770 142 14 Sep 2024 Prev 451–525 of 1,430 Next