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 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 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 373rd deancureton 843 84 29 Dec 2024 377th 386asm 🇺🇸 843 118 5 May 2023 378th clockworknazo 842 62 17 Nov 2022 379th Sakisan 🇧🇪 842 64 30 Jun 2022 380th ovs-code 🇩🇪 842 114 26 Nov 2024 381st GrayJoKing 🇦🇺 841 130 12 Sep 2022 382nd Shanethegamer 🇺🇸 840 89 8 Jan 2025 382nd emplv 🇱🇻 840 89 28 Mar 2025 382nd ovs-code 🇩🇪 840 89 23 days ago 385th rucin93 🇵🇱 840 104 16 days ago 386th DialFrost 🇸🇬 840 133 11 Dec 2024 387th Shanethegamer 🇺🇸 839 92 26 Mar 2024 388th emplv 🇱🇻 839 101 3 Jul 2023 388th stefangimmillaro 839 101 12 Oct 2023 390th TFeld00 🇩🇰 839 105 19 May 2022 390th stefangimmillaro 839 105 26 Dec 2022 390th betaveros 839 105 1 Jan 2023 390th 5cw 🇺🇸 839 105 3 May 2023 390th minhtrancccp 839 105 26 Sep 2023 390th lifthrasiir 🇰🇷 839 105 20 Nov 2024 390th Emutis 🇱🇹 839 105 4 Feb 2025 397th Shanethegamer 🇺🇸 839 112 20 Apr 2022 398th MeWhenI 🇻🇦 839 158 7 Jan 2025 399th SirBogman 🇺🇸 838 37 27 May 2024 399th emgordon154 838 37 11 Sep 2024 399th Yewzir 🇧🇪 838 37 19 Dec 2024 402nd Shanethegamer 🇺🇸 838 90 28 Oct 2024 403rd neel11235813 838 91 13 Mar 2024 403rd kg583 🇺🇸 838 91 21 Mar 2024 403rd bizy-coder 838 91 1 Apr 2024 403rd MeWhenI 🇻🇦 838 91 24 May 2024 403rd duckyluuk 🇳🇱 838 91 21 Jun 2024 403rd AlephSquirrel 838 91 3 Jul 2024 409th primo-ppcg 🇹🇭 838 118 9 Apr 2022 410th 4hg 🇺🇸 837 52 26 Jul 2023 411th GrayJoKing 🇦🇺 837 99 20 Sep 2023 412th GrayJoKing 🇦🇺 837 152 18 Jul 2023 413th ovs-code 🇩🇪 835 224 22 days ago 414th MeWhenI 🇻🇦 834 65 7 Dec 2023 415th Shanethegamer 🇺🇸 834 159 20 Apr 2022 416th Natanaelel 🇸🇪 833 85 7 Feb 2023 416th HumanoidCPU 833 85 2 Mar 2025 418th JayXon 🇺🇸 832 98 9 Apr 2023 419th jacobly0 🇺🇸 832 104 11 Sep 2023 420th Bulmenisaurus 832 106 2 Feb 2025 421st drabart 🇵🇱 832 132 16 Dec 2023 422nd dcgjb 831 67 14 Feb 2024 423rd DialFrost 🇸🇬 831 90 3 Nov 2024 424th MeWhenI 🇻🇦 831 112 4 Aug 2023 425th Yewzir 🇧🇪 831 113 29 Nov 2023 425th drabart 🇵🇱 831 113 18 Dec 2023 427th m-tkach 🇺🇦 831 158 10 Jan 2022 428th prplz 🇦🇺 830 93 18 Jan 2022 428th hemphen 830 93 28 Aug 2022 428th feberhard 830 93 6 Apr 2023 428th sean-niemann 🇺🇸 830 93 21 days ago 432nd MeWhenI 🇻🇦 830 102 26 Nov 2023 433rd Shanethegamer 🇺🇸 829 63 13 May 2023 434th DialFrost 🇸🇬 829 91 25 Oct 2024 435th inventshah 829 92 21 Jan 2024 435th GolfingSuccess 🇬🇷 829 92 2 Mar 2024 437th emplv 🇱🇻 829 160 6 Jan 2023 438th Steffan153 🇫🇮 828 135 12 Mar 2023 439th Alex-x90 🇺🇸 826 133 8 Aug 2023 439th Yewzir 🇧🇪 826 133 29 Nov 2023 441st bac0id 826 159 26 Sep 2023 442nd quimey 824 107 7 Mar 2023 442nd fourth-bit 824 107 10 Jul 2024 444th Mandrzejy 🇵🇱 824 114 13 Sep 2024 445th Shanethegamer 🇺🇸 823 113 20 Mar 2024 446th error256 822 66 43 hours ago 447th janbehrens 🇩🇪 822 103 2 Jul 2023 448th Frowny 821 53 11 Jan 2022 449th annaproxy 821 94 19 Mar 2022 450th jared-hughes 821 200 18 Dec 2024 Prev 376–450 of 1,379 Next