Tutorial in all languages 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 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 Chars Time Submitted 601st now4est 🇯🇵 0 58 13ms 21 Sep 2025 601st J09M 0 58 10ms 25 Sep 2025 601st kg583 🇺🇸 0 58 4ms 27 Sep 2025 601st KatieLG 🇬🇧 0 58 13ms 2 Oct 2025 601st plcc0 0 58 8ms 7 Oct 2025 601st luuumine 🇫🇷 0 58 10ms 8 Oct 2025 601st Matter1024 🇮🇳 0 58 10ms 3 days ago 601st chattyplatinumcool 0 58 11ms 3 hours ago 684th MeWhenI 🇻🇦 0 59 7ms 11 Dec 2024 684th lukegustafson 🇺🇸 0 59 141ms 21 Dec 2024 684th yujh-yujh 🇬🇸 0 59 10ms 3 Jan 2025 684th emgordon154 0 59 6ms 8 Jan 2025 684th duckyluuk 🇳🇱 0 59 4ms 12 Jan 2025 684th Natanaelel 🇸🇪 0 59 4ms 2 Feb 2025 684th dokutan 0 59 11ms 3 Feb 2025 684th Shanethegamer 🇺🇸 0 59 4ms 7 Feb 2025 684th voytxt 🇨🇿 0 59 8ms 8 Feb 2025 684th sohamkorade 0 59 13ms 13 Feb 2025 684th DanielBash 0 59 11ms 22 Feb 2025 684th persistz 0 59 10ms 30 Jun 2025 684th LostSyntax21 🇬🇧 0 59 5ms 19 Jul 2025 684th vgamula 🇺🇦 0 59 12ms 5 Aug 2025 684th Boowie41 0 59 13ms 8 days ago 684th FlyingPenguin223 0 59 2ms 4 days ago 684th MeWhenI 🇻🇦 0 59 2ms 4 days ago 701st emgordon154 0 60 137ms 28 Nov 2024 701st xsot 🇸🇬 0 60 4ms 4 Dec 2024 701st Shanethegamer 🇺🇸 0 60 146ms 10 Jan 2025 701st Natanaelel 🇸🇪 0 60 3ms 26 Jan 2025 701st emgordon154 0 60 4,086ms 4 Feb 2025 701st klixel 🇨🇦 0 60 88ms 8 Apr 2025 701st swcnt 0 60 16ms 9 Apr 2025 701st rucin93 🇵🇱 0 60 139ms 17 Apr 2025 701st dokutan 0 60 141ms 6 Jun 2025 701st emgordon154 0 60 2ms 5 Aug 2025 701st emgordon154 0 60 76ms 13 days ago 712th Shanethegamer 🇺🇸 0 61 12ms 20 Nov 2024 712th stefangimmillaro 0 61 13ms 21 Nov 2024 712th error256 0 61 11ms 21 Nov 2024 712th error256 0 61 117ms 21 Nov 2024 712th ovs-code 🇩🇪 0 61 12ms 25 Nov 2024 712th GolfingSuccess 🇬🇷 0 61 11ms 25 Nov 2024 712th sean-niemann 🇺🇸 0 61 12ms 26 Nov 2024 712th duckyluuk 🇳🇱 0 61 11ms 26 Nov 2024 712th DialFrost 🇸🇬 0 61 11ms 26 Nov 2024 712th rucin93 🇵🇱 0 61 12ms 26 Nov 2024 712th emgordon154 0 61 11ms 28 Nov 2024 712th stefangimmillaro 0 61 4ms 3 Dec 2024 712th lukegustafson 🇺🇸 0 61 10ms 7 Dec 2024 712th MeWhenI 🇻🇦 0 61 11ms 11 Dec 2024 712th emplv 🇱🇻 0 61 11ms 11 Dec 2024 712th voytxt 🇨🇿 0 61 11ms 22 Dec 2024 712th Salutations45 0 61 11ms 29 Dec 2024 712th duckyluuk 🇳🇱 0 61 1,660ms 12 Jan 2025 712th CLOStrophobic 🇮🇹 0 61 12ms 22 Jan 2025 712th voytxt 🇨🇿 0 61 5ms 25 Jan 2025 712th m-tkach 🇺🇦 0 61 11ms 30 Jan 2025 712th Natanaelel 🇸🇪 0 61 11ms 2 Feb 2025 712th CaedenHarper 🇨🇦 0 61 11ms 3 Feb 2025 712th BalaM314 0 61 14ms 4 Feb 2025 712th kg583 🇺🇸 0 61 84ms 5 Feb 2025 712th GolfingSuccess 🇬🇷 0 61 123ms 5 Feb 2025 712th HumanoidCPU 0 61 5ms 7 Feb 2025 712th targrik 0 61 11ms 8 Feb 2025 712th MeWhenI 🇻🇦 0 61 5ms 14 Feb 2025 712th targrik 0 61 4ms 15 Feb 2025 712th attila8192 0 61 11ms 1 Mar 2025 712th targrik 0 61 2ms 14 Mar 2025 712th janlelis 0 61 11ms 31 Mar 2025 712th b-illy 🇬🇧 0 61 11ms 16 Apr 2025 712th janbehrens 🇩🇪 0 61 11ms 17 Apr 2025 712th pardouin 🇫🇷 0 61 13ms 17 Apr 2025 712th Shanethegamer 🇺🇸 0 61 125ms 17 Apr 2025 712th edsrzf 🇳🇿 0 61 11ms 17 Apr 2025 712th HumanoidCPU 0 61 121ms 18 Apr 2025 First Prev 676–750 of 2,842 Next Last