Tutorial in all languages in bytes. 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 55th kg583 🇺🇸 0 26 9 Apr 2025 55th m-tkach 🇺🇦 0 26 23 Apr 2025 55th dokutan 0 26 28 Apr 2025 55th BREMAUCY 🇫🇷 0 26 1 Jul 2025 55th Msleizak 🇫🇷 0 26 4 Jul 2025 81st lynn 0 27 23 Jan 2025 81st HumanoidCPU 0 27 7 Feb 2025 81st MeWhenI 🇻🇦 0 27 14 Feb 2025 84th Shanethegamer 🇺🇸 0 28 20 Nov 2024 84th stefangimmillaro 0 28 20 Nov 2024 84th error256 0 28 21 Nov 2024 84th GolfingSuccess 🇬🇷 0 28 25 Nov 2024 84th DialFrost 🇸🇬 0 28 26 Nov 2024 84th sean-niemann 🇺🇸 0 28 26 Nov 2024 84th FlyingPenguin223 0 28 27 Nov 2024 84th emgordon154 0 28 28 Nov 2024 84th m-tkach 🇺🇦 0 28 28 Nov 2024 84th lifthrasiir 🇰🇷 0 28 30 Nov 2024 84th sisyphus-ppcg 🇦🇺 0 28 2 Dec 2024 84th zacjl 0 28 2 Dec 2024 84th SirBogman 🇺🇸 0 28 3 Dec 2024 84th SirBogman 🇺🇸 0 28 3 Dec 2024 84th 2bular 0 28 9 Dec 2024 84th Natanaelel 🇸🇪 0 28 9 Dec 2024 84th MeWhenI 🇻🇦 0 28 11 Dec 2024 84th antimon2 🇯🇵 0 28 16 Dec 2024 84th CaedenHarper 🇨🇦 0 28 4 Jan 2025 84th CLOStrophobic 🇮🇹 0 28 22 Jan 2025 84th kg583 🇺🇸 0 28 23 Jan 2025 84th ovs-code 🇩🇪 0 28 31 Jan 2025 84th pardouin 🇫🇷 0 28 2 Feb 2025 84th anter69 🇭🇺 0 28 3 Feb 2025 84th janlelis 0 28 6 Feb 2025 84th edsrzf 🇳🇿 0 28 8 Feb 2025 84th targrik 0 28 14 Feb 2025 84th GolfingSuccess 🇬🇷 0 28 15 Feb 2025 84th tatzyr 🇯🇵 0 28 16 Feb 2025 84th chocycat 0 28 1 Mar 2025 84th paul-c-hartman 0 28 7 Mar 2025 84th ovs-code 🇩🇪 0 28 17 Apr 2025 84th DialFrost 🇸🇬 0 28 17 Apr 2025 84th pardouin 🇫🇷 0 28 17 Apr 2025 84th DialFrost 🇸🇬 0 28 17 Apr 2025 84th Shanethegamer 🇺🇸 0 28 17 Apr 2025 84th Shanethegamer 🇺🇸 0 28 17 Apr 2025 84th GolfingSuccess 🇬🇷 0 28 17 Apr 2025 84th edsrzf 🇳🇿 0 28 17 Apr 2025 84th HumanoidCPU 0 28 18 Apr 2025 84th HumanoidCPU 0 28 18 Apr 2025 84th HumanoidCPU 0 28 18 Apr 2025 84th CaedenHarper 🇨🇦 0 28 18 Apr 2025 84th plcc0 0 28 21 Apr 2025 84th Natanaelel 🇸🇪 0 28 23 Apr 2025 84th dokutan 0 28 28 Apr 2025 84th greentruff 0 28 10 May 2025 84th Just4FunCoder 0 28 18 Jun 2025 84th xiaoyiming123 0 28 12 Jul 2025 84th AbrahamJLR 🇻🇪 0 28 18 Jul 2025 84th 1024An 🇮🇳 0 28 7 days ago 135th ovs-code 🇩🇪 0 29 25 Nov 2024 135th emgordon154 0 29 26 Nov 2024 135th stefangimmillaro 0 29 26 Nov 2024 135th JunkIce 0 29 3 Dec 2024 135th ndren 0 29 5 Dec 2024 135th CornerMercury 🇬🇧 0 29 5 Dec 2024 135th duckyluuk 🇳🇱 0 29 12 Jan 2025 135th voytxt 🇨🇿 0 29 25 Jan 2025 135th MeWhenI 🇻🇦 0 29 14 Feb 2025 135th targrik 0 29 15 Feb 2025 135th plcc0 0 29 26 Feb 2025 135th gigaprofisi 🇺🇸 0 29 3 Mar 2025 135th Yewzir 🇧🇪 0 29 11 Mar 2025 135th TheZwierzLF 🇵🇱 0 29 1 Jun 2025 135th paiv 0 29 16 Jun 2025 135th DABANANAMAN120 0 29 26 Jun 2025 Prev 76–150 of 2,236 Next