ISBN in all languages in bytes. 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 376th didion0 🇺🇸 843 84 25 Jan 2022 376th 13x1 🇩🇪 843 84 15 May 2023 376th biocommando 🇫🇮 843 84 11 Aug 2023 376th deancureton 843 84 29 Dec 2024 380th 386asm 🇺🇸 843 118 5 May 2023 381st clockworknazo 842 62 17 Nov 2022 382nd Sakisan 🇧🇪 842 64 30 Jun 2022 383rd ovs-code 🇩🇪 842 114 26 Nov 2024 384th GrayJoKing 🇦🇺 841 130 12 Sep 2022 385th Shanethegamer 🇺🇸 840 89 8 Jan 2025 385th emplv 🇱🇻 840 89 28 Mar 2025 385th ovs-code 🇩🇪 840 89 17 Apr 2025 388th rucin93 🇵🇱 840 104 24 days ago 389th TFeld00 🇩🇰 840 105 19 May 2022 389th stefangimmillaro 840 105 26 Dec 2022 389th betaveros 840 105 1 Jan 2023 389th 5cw 🇺🇸 840 105 3 May 2023 389th minhtrancccp 840 105 26 Sep 2023 389th lifthrasiir 🇰🇷 840 105 20 Nov 2024 389th Emutis 🇱🇹 840 105 4 Feb 2025 396th DialFrost 🇸🇬 840 133 11 Dec 2024 397th Shanethegamer 🇺🇸 839 92 26 Mar 2024 398th emplv 🇱🇻 839 101 3 Jul 2023 398th stefangimmillaro 839 101 12 Oct 2023 400th Shanethegamer 🇺🇸 839 112 20 Apr 2022 401st MeWhenI 🇻🇦 839 158 7 Jan 2025 402nd SirBogman 🇺🇸 838 37 27 May 2024 402nd emgordon154 838 37 11 Sep 2024 402nd Yewzir 🇧🇪 838 37 19 Dec 2024 405th Shanethegamer 🇺🇸 838 90 28 Oct 2024 406th neel11235813 838 91 13 Mar 2024 406th kg583 🇺🇸 838 91 21 Mar 2024 406th bizy-coder 838 91 1 Apr 2024 406th MeWhenI 🇻🇦 838 91 24 May 2024 406th duckyluuk 🇳🇱 838 91 21 Jun 2024 406th AlephSquirrel 838 91 3 Jul 2024 412th primo-ppcg 🇹🇭 838 118 9 Apr 2022 413th 4hg 🇺🇸 837 52 26 Jul 2023 414th GrayJoKing 🇦🇺 837 99 20 Sep 2023 415th GrayJoKing 🇦🇺 837 152 18 Jul 2023 416th ovs-code 🇩🇪 835 224 18 Apr 2025 417th MeWhenI 🇻🇦 834 65 7 Dec 2023 418th Shanethegamer 🇺🇸 834 159 20 Apr 2022 419th Natanaelel 🇸🇪 833 85 7 Feb 2023 419th HumanoidCPU 833 85 2 Mar 2025 421st JayXon 🇺🇸 832 98 9 Apr 2023 422nd jacobly0 🇺🇸 832 104 11 Sep 2023 423rd Bulmenisaurus 832 106 2 Feb 2025 424th drabart 🇵🇱 832 132 16 Dec 2023 425th dcgjb 831 67 14 Feb 2024 426th DialFrost 🇸🇬 831 90 3 Nov 2024 427th MeWhenI 🇻🇦 831 112 4 Aug 2023 428th Yewzir 🇧🇪 831 113 29 Nov 2023 428th drabart 🇵🇱 831 113 18 Dec 2023 430th m-tkach 🇺🇦 831 158 10 Jan 2022 431st prplz 🇦🇺 830 93 18 Jan 2022 431st hemphen 830 93 28 Aug 2022 431st feberhard 830 93 6 Apr 2023 431st sean-niemann 🇺🇸 830 93 19 Apr 2025 435th MeWhenI 🇻🇦 830 102 26 Nov 2023 436th Shanethegamer 🇺🇸 829 63 13 May 2023 437th DialFrost 🇸🇬 829 91 25 Oct 2024 438th inventshah 829 92 21 Jan 2024 438th GolfingSuccess 🇬🇷 829 92 2 Mar 2024 440th emplv 🇱🇻 829 160 6 Jan 2023 441st Steffan153 🇫🇮 828 135 12 Mar 2023 442nd Alex-x90 🇺🇸 826 133 8 Aug 2023 442nd Yewzir 🇧🇪 826 133 29 Nov 2023 444th bac0id 826 159 26 Sep 2023 445th quimey 824 107 7 Mar 2023 445th fourth-bit 824 107 10 Jul 2024 447th Mandrzejy 🇵🇱 824 114 13 Sep 2024 448th Shanethegamer 🇺🇸 823 113 20 Mar 2024 449th error256 822 66 9 days ago 450th janbehrens 🇩🇪 822 103 2 Jul 2023 Prev 376–450 of 1,383 Next