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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 504th ovs-code 🇩🇪 0 53 18 Jul 2025 504th snoozingnewt 🇺🇸 0 53 22 days ago 504th snoozingnewt 🇺🇸 0 53 22 days ago 504th snoozingnewt 🇺🇸 0 53 21 days ago 504th SirBogman 🇺🇸 0 53 42 hours ago 531st neel11235813 0 54 9 Dec 2024 531st CLOStrophobic 🇮🇹 0 54 22 Jan 2025 531st edsrzf 🇳🇿 0 54 7 Aug 2025 534th Yewzir 🇧🇪 0 55 28 Dec 2024 534th JunkIce 0 55 7 Jan 2025 534th CLOStrophobic 🇮🇹 0 55 22 Jan 2025 534th commandblockguy 🇺🇸 0 55 2 Feb 2025 534th bizy-coder 0 55 17 Feb 2025 534th bizy-coder 0 55 18 Feb 2025 534th MeWhenI 🇻🇦 0 55 17 Apr 2025 534th Shanethegamer 🇺🇸 0 55 17 Apr 2025 534th HumanoidCPU 0 55 18 Apr 2025 534th CaedenHarper 🇨🇦 0 55 18 Apr 2025 534th rhysdh540 0 55 6 days ago 545th AlephSquirrel 0 56 25 Nov 2024 545th sisyphus-ppcg 🇦🇺 0 56 26 Nov 2024 545th targrik 0 56 12 Jan 2025 545th GolfingSuccess 🇬🇷 0 56 5 Feb 2025 545th Bubbler-4 0 56 12 Feb 2025 545th sean-niemann 🇺🇸 0 56 24 Feb 2025 545th plcc0 0 56 24 Mar 2025 545th edsrzf 🇳🇿 0 56 19 Apr 2025 545th GolfingSuccess 🇬🇷 0 56 19 Apr 2025 545th rucin93 🇵🇱 0 56 19 Apr 2025 545th DialFrost 🇸🇬 0 56 20 Apr 2025 545th HumanoidCPU 0 56 21 Apr 2025 545th FEZfan 🇦🇺 0 56 22 Apr 2025 545th dokutan 0 56 28 Apr 2025 545th Shanethegamer 🇺🇸 0 56 8 May 2025 545th GolfingSuccess 🇬🇷 0 56 8 May 2025 545th rucin93 🇵🇱 0 56 8 May 2025 545th emplv 🇱🇻 0 56 8 May 2025 545th sean-niemann 🇺🇸 0 56 9 May 2025 545th DialFrost 🇸🇬 0 56 9 May 2025 545th frankgraziano 0 56 19 May 2025 545th Shanethegamer 🇺🇸 0 56 6 Jun 2025 545th Shanethegamer 🇺🇸 0 56 4 Jul 2025 545th edsrzf 🇳🇿 0 56 19 Jul 2025 545th AbrahamJLR 🇻🇪 0 56 20 Jul 2025 545th albanian-laundromat 0 56 4 Aug 2025 545th snoozingnewt 🇺🇸 0 56 22 days ago 545th snoozingnewt 🇺🇸 0 56 21 days ago 545th CaedenHarper 🇨🇦 0 56 5 days ago 574th edsrzf 🇳🇿 0 57 8 Feb 2025 574th emgordon154 0 57 14 Mar 2025 574th Yewzir 🇧🇪 0 57 16 Mar 2025 574th MeWhenI 🇻🇦 0 57 17 Apr 2025 574th FlyingPenguin223 0 57 19 Apr 2025 579th kg583 🇺🇸 0 58 21 Nov 2024 579th khvdm 0 58 21 Nov 2024 579th ovs-code 🇩🇪 0 58 25 Nov 2024 579th GolfingSuccess 🇬🇷 0 58 25 Nov 2024 579th GolfingSuccess 🇬🇷 0 58 25 Nov 2024 579th AlephSquirrel 0 58 25 Nov 2024 579th kg583 🇺🇸 0 58 26 Nov 2024 579th emgordon154 0 58 26 Nov 2024 579th m-tkach 🇺🇦 0 58 26 Nov 2024 579th emgordon154 0 58 27 Nov 2024 579th hallvabo 🇳🇴 0 58 29 Nov 2024 579th lifthrasiir 🇰🇷 0 58 30 Nov 2024 579th Shanethegamer 🇺🇸 0 58 10 Dec 2024 579th MeWhenI 🇻🇦 0 58 11 Dec 2024 579th Shanethegamer 🇺🇸 0 58 17 Dec 2024 579th zacjl 0 58 31 Dec 2024 579th m-tkach 🇺🇦 0 58 3 Jan 2025 579th CaedenHarper 🇨🇦 0 58 4 Jan 2025 579th b-illy 🇬🇧 0 58 4 Jan 2025 579th HumanoidCPU 0 58 5 Jan 2025 579th JunkIce 0 58 7 Jan 2025 579th CLOStrophobic 🇮🇹 0 58 17 Jan 2025 First Prev 526–600 of 2,523 Next Last