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 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 Bytes Time Submitted 374th mathisfun271 849 104 9ms 5 Feb 2024 374th EnTerr 849 104 9ms 8 Sep 2024 374th KasperKivimaeki 🇫🇮 849 104 9ms 11 Jul 2025 374th luuumine 🇫🇷 849 104 10ms 18 days ago 380th sisyphus-ppcg 🇦🇺 848 64 38ms 11 Jan 2022 380th GrayJoKing 🇦🇺 848 64 42ms 10 Feb 2022 382nd MeWhenI 🇻🇦 848 69 5ms 13 Aug 2024 382nd Steffan153 🇫🇮 848 69 6ms 13 Aug 2024 384th m-tkach 🇺🇦 848 90 450ms 21 Jan 2024 384th sean-niemann 🇺🇸 848 90 523ms 28 Jan 2025 386th ZakkkkAttackkkk 🇵🇭 848 111 2ms 9 Nov 2023 386th Szum123321 🇵🇱 848 111 2ms 9 Dec 2023 386th DialFrost 🇸🇬 848 111 2ms 20 Dec 2024 389th 386asm 🇺🇸 848 118 40ms 5 May 2023 390th edsrzf 🇳🇿 848 151 40ms 7 Apr 2025 391st GrayJoKing 🇦🇺 847 130 3ms 12 Sep 2022 392nd xsot 🇸🇬 846 55 4ms 6 Jul 2025 393rd Shanethegamer 🇺🇸 846 90 3,107ms 28 Oct 2024 394th GrayJoKing 🇦🇺 846 115 8ms 28 Jul 2023 395th didion0 🇺🇸 845 84 9ms 25 Jan 2022 395th 13x1 🇩🇪 845 84 9ms 15 May 2023 395th biocommando 🇫🇮 845 84 10ms 11 Aug 2023 395th deancureton 845 84 10ms 29 Dec 2024 395th CaedenHarper 🇨🇦 845 84 8ms 22 Aug 2025 400th ovs-code 🇩🇪 845 114 446ms 26 Nov 2024 401st lynn 844 124 1,448ms 16 Jan 2022 402nd clockworknazo 843 62 2ms 17 Nov 2022 403rd DialFrost 🇸🇬 843 66 269ms 10 Oct 2024 404th kaascevich 843 123 111ms 21 Jul 2025 405th Sakisan 🇧🇪 842 64 64ms 30 Jun 2022 406th HumanoidCPU 842 127 342ms 10 days ago 407th MeWhenI 🇻🇦 842 158 262ms 7 Jan 2025 408th ovs-code 🇩🇪 842 224 404ms 18 Apr 2025 409th TFeld00 🇩🇰 841 105 9ms 19 May 2022 409th stefangimmillaro 841 105 10ms 26 Dec 2022 409th betaveros 841 105 12ms 1 Jan 2023 409th 5cw 🇺🇸 841 105 9ms 3 May 2023 409th minhtrancccp 841 105 10ms 26 Sep 2023 409th lifthrasiir 🇰🇷 841 105 11ms 20 Nov 2024 409th Emutis 🇱🇹 841 105 9ms 4 Feb 2025 409th qpwoeirut 841 105 14ms 28 Sep 2025 417th Shanethegamer 🇺🇸 840 89 137ms 8 Jan 2025 417th emplv 🇱🇻 840 89 133ms 28 Mar 2025 417th ovs-code 🇩🇪 840 89 133ms 17 Apr 2025 420th Shanethegamer 🇺🇸 840 92 432ms 26 Mar 2024 421st Shanethegamer 🇺🇸 840 112 2ms 20 Apr 2022 422nd CLOStrophobic 🇮🇹 840 123 8ms 21 Jan 2025 423rd jacobly0 🇺🇸 840 176 1,711ms 22 Apr 2024 424th neel11235813 839 91 404ms 13 Mar 2024 424th kg583 🇺🇸 839 91 457ms 21 Mar 2024 424th bizy-coder 839 91 431ms 1 Apr 2024 424th MeWhenI 🇻🇦 839 91 526ms 24 May 2024 424th duckyluuk 🇳🇱 839 91 407ms 21 Jun 2024 424th AlephSquirrel 839 91 463ms 3 Jul 2024 430th SirBogman 🇺🇸 838 37 2ms 27 May 2024 430th emgordon154 838 37 40ms 11 Sep 2024 430th Yewzir 🇧🇪 838 37 2ms 19 Dec 2024 433rd 4hg 🇺🇸 837 52 36ms 26 Jul 2023 434th DialFrost 🇸🇬 837 91 2,356ms 25 Oct 2024 435th GrayJoKing 🇦🇺 837 152 31ms 18 Jul 2023 436th edsrzf 🇳🇿 836 97 69ms 7 Oct 2025 437th Shanethegamer 🇺🇸 836 159 263ms 20 Apr 2022 438th MeWhenI 🇻🇦 835 65 37ms 7 Dec 2023 439th Natanaelel 🇸🇪 835 85 10ms 7 Feb 2023 439th HumanoidCPU 835 85 10ms 2 Mar 2025 441st JayXon 🇺🇸 835 98 112ms 9 Apr 2023 442nd jacobly0 🇺🇸 835 104 2ms 11 Sep 2023 443rd drabart 🇵🇱 834 132 56ms 16 Dec 2023 444th Bulmenisaurus 833 106 10ms 2 Feb 2025 445th Yewzir 🇧🇪 833 113 2ms 29 Nov 2023 445th drabart 🇵🇱 833 113 2ms 18 Dec 2023 447th Shanethegamer 🇺🇸 833 124 7ms 27 Aug 2024 448th kg583 🇺🇸 832 154 38ms 38 hours ago 449th dcgjb 831 67 259ms 14 Feb 2024 450th DialFrost 🇸🇬 831 90 130ms 3 Nov 2024 First Prev 376–450 of 1,531 Next Last