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 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 351st sean-niemann 🇺🇸 0 43 18 Apr 2025 351st HumanoidCPU 0 43 18 Apr 2025 351st HumanoidCPU 0 43 18 Apr 2025 351st HumanoidCPU 0 43 18 Apr 2025 351st rucin93 🇵🇱 0 43 18 Apr 2025 351st CaedenHarper 🇨🇦 0 43 18 Apr 2025 351st CaedenHarper 🇨🇦 0 43 18 Apr 2025 351st Seek64 🇩🇪 0 43 29 Apr 2025 351st sisyphus-ppcg 🇦🇺 0 43 8 May 2025 351st jitwit 0 43 10 May 2025 351st greentruff 0 43 11 May 2025 351st gigaprofisi 🇺🇸 0 43 17 Jun 2025 351st dokutan 0 43 2 Jul 2025 351st anter69 🇭🇺 0 43 9 Jul 2025 351st AbrahamJLR 🇻🇪 0 43 20 Jul 2025 351st targrik 0 43 12 days ago 351st snoozingnewt 🇺🇸 0 43 8 days ago 351st snoozingnewt 🇺🇸 0 43 8 days ago 351st snoozingnewt 🇺🇸 0 43 8 days ago 395th duckyluuk 🇳🇱 0 44 12 Jan 2025 395th GolfingSuccess 🇬🇷 0 44 12 Feb 2025 395th error256 0 44 17 Apr 2025 395th MeWhenI 🇻🇦 0 44 17 Apr 2025 395th MeWhenI 🇻🇦 0 44 17 Apr 2025 395th DialFrost 🇸🇬 0 44 17 Apr 2025 395th Shanethegamer 🇺🇸 0 44 17 Apr 2025 395th pardouin 🇫🇷 0 44 17 Apr 2025 395th HumanoidCPU 0 44 18 Apr 2025 395th CaedenHarper 🇨🇦 0 44 18 Apr 2025 395th dokutan 0 44 28 Apr 2025 395th stefangimmillaro 0 44 14 Jul 2025 395th edsrzf 🇳🇿 0 44 22 days ago 395th DialFrost 🇸🇬 0 44 19 days ago 395th frederni 0 44 12 days ago 395th snoozingnewt 🇺🇸 0 44 8 days ago 411th ovs-code 🇩🇪 0 45 26 Nov 2024 411th Natanaelel 🇸🇪 0 45 2 Feb 2025 411th emgordon154 0 45 23 Feb 2025 411th DialFrost 🇸🇬 0 45 23 Feb 2025 411th GolfingSuccess 🇬🇷 0 45 25 Feb 2025 411th GolfingSuccess 🇬🇷 0 45 26 Feb 2025 411th Shanethegamer 🇺🇸 0 45 20 May 2025 411th edsrzf 🇳🇿 0 45 24 May 2025 411th albanian-laundromat 0 45 12 days ago 411th CaedenHarper 🇨🇦 0 45 11 days ago 411th emgordon154 0 45 10 days ago 411th snoozingnewt 🇺🇸 0 45 8 days ago 411th eprovst 🇧🇪 0 45 7 days ago 424th Shanethegamer 🇺🇸 0 46 20 Nov 2024 424th ovs-code 🇩🇪 0 46 25 Nov 2024 424th DialFrost 🇸🇬 0 46 26 Nov 2024 424th sean-niemann 🇺🇸 0 46 26 Nov 2024 424th GolfingSuccess 🇬🇷 0 46 6 Dec 2024 424th MeWhenI 🇻🇦 0 46 11 Dec 2024 424th CaedenHarper 🇨🇦 0 46 12 Jan 2025 424th HumanoidCPU 0 46 18 Apr 2025 424th 2bular 0 46 1 Jun 2025 424th uiu007 0 46 9 days ago 424th snoozingnewt 🇺🇸 0 46 8 days ago 424th snoozingnewt 🇺🇸 0 46 8 days ago 436th ovs-code 🇩🇪 0 47 25 Nov 2024 436th MeWhenI 🇻🇦 0 47 11 Dec 2024 436th duckyluuk 🇳🇱 0 47 12 Jan 2025 436th CLOStrophobic 🇮🇹 0 47 22 Jan 2025 436th GolfingSuccess 🇬🇷 0 47 12 Feb 2025 436th DialFrost 🇸🇬 0 47 17 Apr 2025 436th Shanethegamer 🇺🇸 0 47 17 Apr 2025 436th HumanoidCPU 0 47 18 Apr 2025 436th CaedenHarper 🇨🇦 0 47 18 Apr 2025 436th edsrzf 🇳🇿 0 47 26 May 2025 436th frankgraziano 0 47 23 Aug 2025 436th snoozingnewt 🇺🇸 0 47 8 days ago 448th emgordon154 0 48 27 Nov 2024 448th targrik 0 48 15 Feb 2025 450th JunkIce 0 49 3 Dec 2024 Prev 376–450 of 2,515 Next