ISBN in Java in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st rucin93 🇵🇱 1,000 116 467ms 24 Sep 2025 1st sean-niemann 🇺🇸 1,000 116 514ms 24 Sep 2025 1st JayXon 🇺🇸 1,000 116 516ms 25 Sep 2025 1st nwellnhof 🇩🇪 1,000 116 497ms 25 Sep 2025 1st MeWhenI 🇻🇦 1,000 116 386ms 7 Nov 2025 1st Steffan153 🇫🇮 1,000 116 364ms 11 Feb 2026 1st edsrzf 🇳🇿 1,000 116 380ms 21 hours ago 8th stefangimmillaro 991 117 456ms 6 Oct 2025 9th Shanethegamer 🇺🇸 983 118 511ms 24 Sep 2025 10th DialFrost 🇸🇬 975 119 496ms 24 Sep 2025 10th Yewzir 🇧🇪 975 119 488ms 24 Sep 2025 10th namelessiw 975 119 472ms 7 Oct 2025 13th ScottHamper 959 121 469ms 30 Nov 2025 14th Yax42 🇫🇷 951 122 497ms 8 Oct 2025 15th dokutan 935 124 494ms 24 Sep 2025 16th CaedenHarper 🇨🇦 928 125 498ms 3 Oct 2025 17th HumanoidCPU 913 127 507ms 8 Nov 2025 18th m-tkach 🇺🇦 892 130 496ms 25 Sep 2025 19th error256 879 132 542ms 21 Nov 2025 20th h3ra993huskp 🇯🇵 872 133 465ms 30 Nov 2025 21st kmathis22 841 138 475ms 30 Oct 2025 22nd primo-ppcg 🇹🇭 806 144 469ms 4 Apr 2022 22nd Lydxn 🇨🇦 806 144 442ms 5 Apr 2022 22nd rotary-o 🇯🇵 806 144 398ms 5 May 2023 22nd Jacob385 806 144 473ms 28 Oct 2025 26th KasperKivimaeki 🇫🇮 779 149 518ms 12 Dec 2025 26th ravnskjaer 🇩🇰 779 149 493ms 15 Dec 2025 28th janbehrens 🇩🇪 748 155 411ms 23 Jun 2023 29th bac0id 730 159 395ms 26 Sep 2023 30th Schmitt-Very-Cool 725 160 458ms 30 Sep 2025 31st cbrt-x 707 164 483ms 16 Jan 2022 32nd bwat2 695 167 395ms 13 Jan 2022 32nd rifatx 695 167 451ms 23 Jul 2024 34th crizin 🇰🇷 682 170 405ms 10 Sep 2023 35th MaliPatuljak 667 174 426ms 3 Apr 2023 36th msbranicky 663 175 435ms 8 Sep 2023 36th Apataras 663 175 442ms 25 Aug 2025 38th aliakseikalosha 648 179 449ms 8 Oct 2024 39th yoshykai 592 196 452ms 28 Mar 2025 40th david-m-s 560 207 435ms 27 Feb 2023 41st luca1339 545 213 454ms 15 Jun 2024 42nd KatieLG 🇬🇧 525 221 409ms 24 Jan 2023 43rd jusaka 277 419 348ms 9 days ago 44th KatieLG-Transpiler 🇬🇧 201 578 480ms 7 Jul 2022 1–44 of 44
