ISBN in Java 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 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 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 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 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 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 Chars Time Submitted 1st rucin93 🇵🇱 1,000 116 384ms 24 Sep 2025 1st sean-niemann 🇺🇸 1,000 116 401ms 24 Sep 2025 1st JayXon 🇺🇸 1,000 116 475ms 25 Sep 2025 1st nwellnhof 🇩🇪 1,000 116 473ms 25 Sep 2025 5th stefangimmillaro 991 117 760ms 6 Oct 2025 6th Shanethegamer 🇺🇸 983 118 357ms 24 Sep 2025 7th DialFrost 🇸🇬 975 119 406ms 24 Sep 2025 7th Yewzir 🇧🇪 975 119 350ms 24 Sep 2025 7th namelessiw 975 119 598ms 27 days ago 10th Yax42 🇫🇷 951 122 439ms 26 days ago 11th edsrzf 🇳🇿 935 124 359ms 24 Sep 2025 11th dokutan 935 124 360ms 24 Sep 2025 13th CaedenHarper 🇨🇦 928 125 408ms 3 Oct 2025 14th m-tkach 🇺🇦 892 130 364ms 25 Sep 2025 15th kmathis22 841 138 349ms 4 days ago 16th primo-ppcg 🇹🇭 806 144 362ms 4 Apr 2022 16th Lydxn 🇨🇦 806 144 408ms 5 Apr 2022 16th rotary-o 🇯🇵 806 144 361ms 5 May 2023 16th MeWhenI 🇻🇦 806 144 447ms 9 Aug 2023 16th Steffan153 🇫🇮 806 144 347ms 24 Feb 2024 16th Jacob385 806 144 514ms 7 days ago 22nd ScottHamper 779 149 387ms 26 Feb 2022 23rd Nyfii 753 154 328ms 43 hours ago 24th janbehrens 🇩🇪 748 155 449ms 23 Jun 2023 24th HumanoidCPU 748 155 339ms 2 Mar 2025 26th bac0id 730 159 324ms 26 Sep 2023 27th Schmitt-Very-Cool 725 160 355ms 30 Sep 2025 28th h3ra993huskp 🇯🇵 720 161 324ms 7 Jan 2024 29th cbrt-x 707 164 463ms 16 Jan 2022 30th bwat2 695 167 398ms 13 Jan 2022 30th rifatx 695 167 529ms 23 Jul 2024 32nd crizin 🇰🇷 682 170 331ms 10 Sep 2023 33rd MaliPatuljak 667 174 326ms 3 Apr 2023 34th msbranicky 663 175 434ms 8 Sep 2023 34th Apataras 663 175 440ms 25 Aug 2025 36th ravnskjaer 🇩🇰 655 177 332ms 20 Dec 2024 37th aliakseikalosha 648 179 466ms 8 Oct 2024 38th yoshykai 592 196 437ms 28 Mar 2025 39th david-m-s 560 207 329ms 27 Feb 2023 40th luca1339 545 213 361ms 15 Jun 2024 41st KatieLG 🇬🇧 525 221 336ms 24 Jan 2023 42nd KatieLG-Transpiler 🇬🇧 201 578 414ms 7 Jul 2022 1–42 of 42
