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 709th c-py 0 61 11ms 14 May 2025 709th albanian-laundromat 0 61 126ms 6 Jun 2025 709th Andrey-Plotnikov 0 61 11ms 19 Jun 2025 709th a6166231 🇨🇳 0 61 11ms 20 Jun 2025 709th elana-teal 0 61 12ms 20 Jun 2025 709th BREMAUCY 🇫🇷 0 61 11ms 1 Jul 2025 709th RYSF13 🇨🇳 0 61 11ms 5 Jul 2025 709th p01 0 61 11ms 28 Jul 2025 709th KrausRaus 🇺🇸 0 61 11ms 29 Jul 2025 709th dmrichwa 🇺🇸 0 61 11ms 29 Jul 2025 709th dokutan 0 61 3ms 5 Aug 2025 709th gitchaell 🇧🇴 0 61 11ms 6 Aug 2025 709th lukepolak 0 61 11ms 7 Aug 2025 709th adrianbgo 0 61 11ms 7 Aug 2025 709th helbling 🇨🇭 0 61 11ms 28 Aug 2025 709th snoozingnewt 🇺🇸 0 61 130ms 15 Sep 2025 709th snoozingnewt 🇺🇸 0 61 11ms 15 Sep 2025 709th larsendaniel 0 61 11ms 10 days ago 709th JOrE20 0 61 11ms a min ago 770th emgordon154 0 62 3ms 27 Nov 2024 770th CLOStrophobic 🇮🇹 0 62 4ms 4 Feb 2025 770th DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 770th heanyang1 0 62 17ms 26 Mar 2025 770th dokutan 0 62 1,277ms 15 Jul 2025 770th 6512345 0 62 112ms 13 days ago 776th kg583 🇺🇸 0 63 48ms 21 Nov 2024 776th sean-niemann 🇺🇸 0 63 139ms 10 Dec 2024 776th MeWhenI 🇻🇦 0 63 7ms 18 Dec 2024 776th zacjl 0 63 49ms 31 Dec 2024 776th CLOStrophobic 🇮🇹 0 63 48ms 17 Jan 2025 776th edsrzf 🇳🇿 0 63 59ms 9 Feb 2025 776th GolfingSuccess 🇬🇷 0 63 49ms 9 Feb 2025 776th Nemikolh 🇫🇷 0 63 13ms 12 Feb 2025 776th GolfingSuccess 🇬🇷 0 63 134ms 20 Feb 2025 776th varhammer 🇷🇺 0 63 7ms 22 Feb 2025 776th voytxt 🇨🇿 0 63 137ms 17 Apr 2025 776th FlyingPenguin223 0 63 53ms 17 Apr 2025 776th DialFrost 🇸🇬 0 63 135ms 17 Apr 2025 776th DialFrost 🇸🇬 0 63 8ms 17 Apr 2025 776th DialFrost 🇸🇬 0 63 48ms 17 Apr 2025 776th pardouin 🇫🇷 0 63 136ms 17 Apr 2025 776th Shanethegamer 🇺🇸 0 63 6ms 17 Apr 2025 776th Shanethegamer 🇺🇸 0 63 61ms 17 Apr 2025 776th GolfingSuccess 🇬🇷 0 63 7ms 17 Apr 2025 776th HumanoidCPU 0 63 137ms 18 Apr 2025 776th HumanoidCPU 0 63 7ms 18 Apr 2025 776th HumanoidCPU 0 63 48ms 18 Apr 2025 776th CaedenHarper 🇨🇦 0 63 137ms 18 Apr 2025 776th CaedenHarper 🇨🇦 0 63 6ms 18 Apr 2025 776th CaedenHarper 🇨🇦 0 63 50ms 18 Apr 2025 776th dokutan 0 63 7ms 28 Apr 2025 776th Jigglypuffed 0 63 48ms 19 Jul 2025 776th penous 0 63 12ms 2 Aug 2025 776th YellowDudeIsMe 0 63 11ms 14 Aug 2025 776th albanian-laundromat 0 63 7ms 22 Aug 2025 776th snoozingnewt 🇺🇸 0 63 160ms 15 Sep 2025 776th snoozingnewt 🇺🇸 0 63 7ms 15 Sep 2025 776th snoozingnewt 🇺🇸 0 63 48ms 15 Sep 2025 776th luuumine 🇫🇷 0 63 3ms 8 days ago 776th JOrE20 0 63 7ms a min ago 811th Shanethegamer 🇺🇸 0 64 129ms 20 Nov 2024 811th error256 0 64 152ms 21 Nov 2024 811th error256 0 64 14ms 21 Nov 2024 811th emgordon154 0 64 3ms 26 Nov 2024 811th Liniarc 0 64 11ms 26 Nov 2024 811th Natanaelel 🇸🇪 0 64 146ms 9 Dec 2024 811th MeWhenI 🇻🇦 0 64 52ms 12 Dec 2024 811th MeWhenI 🇻🇦 0 64 16ms 14 Feb 2025 811th targrik 0 64 15ms 15 Feb 2025 811th calum12345 0 64 16ms 25 Mar 2025 811th Chinay-Domitrix 🇺🇸 0 64 4,020ms 18 Apr 2025 811th sean-niemann 🇺🇸 0 64 75ms 30 Apr 2025 811th TheDrawingCoder-Gamer 0 64 16ms 29 Jun 2025 811th Babafaba 0 64 15ms 15 Oct 2025 811th luuumine 🇫🇷 0 64 17ms 16 Oct 2025 First Prev 751–825 of 2,838 Next Last