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 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 Bytes Time 523rd edsrzf 🇳🇿 0 54 7 Aug 2025 527th lifthrasiir 🇰🇷 0 55 2 Dec 2024 527th Yewzir 🇧🇪 0 55 28 Dec 2024 527th JunkIce 0 55 7 Jan 2025 527th CLOStrophobic 🇮🇹 0 55 22 Jan 2025 527th commandblockguy 🇺🇸 0 55 2 Feb 2025 527th lyphyser 0 55 8 Feb 2025 527th bizy-coder 0 55 17 Feb 2025 527th bizy-coder 0 55 18 Feb 2025 527th MeWhenI 🇻🇦 0 55 17 Apr 2025 527th Shanethegamer 🇺🇸 0 55 17 Apr 2025 527th HumanoidCPU 0 55 18 Apr 2025 527th CaedenHarper 🇨🇦 0 55 18 Apr 2025 527th oscargeerts 0 55 3 Jul 2025 527th Shanethegamer 🇺🇸 0 55 5 Jul 2025 527th GolfingSuccess 🇬🇷 0 55 7 Jul 2025 527th snoozingnewt 🇺🇸 0 55 27 days ago 527th rhysdh540 0 55 11 days ago 527th CaedenHarper 🇨🇦 0 55 10 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 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 27 days ago 545th snoozingnewt 🇺🇸 0 56 26 days ago 545th CaedenHarper 🇨🇦 0 56 10 days ago 573rd edsrzf 🇳🇿 0 57 8 Feb 2025 573rd emgordon154 0 57 14 Mar 2025 573rd Yewzir 🇧🇪 0 57 16 Mar 2025 573rd MeWhenI 🇻🇦 0 57 17 Apr 2025 573rd FlyingPenguin223 0 57 19 Apr 2025 578th kg583 🇺🇸 0 58 21 Nov 2024 578th ovs-code 🇩🇪 0 58 25 Nov 2024 578th GolfingSuccess 🇬🇷 0 58 25 Nov 2024 578th GolfingSuccess 🇬🇷 0 58 25 Nov 2024 578th AlephSquirrel 0 58 25 Nov 2024 578th emgordon154 0 58 26 Nov 2024 578th m-tkach 🇺🇦 0 58 26 Nov 2024 578th emgordon154 0 58 27 Nov 2024 578th Shanethegamer 🇺🇸 0 58 10 Dec 2024 578th MeWhenI 🇻🇦 0 58 11 Dec 2024 578th Shanethegamer 🇺🇸 0 58 17 Dec 2024 578th zacjl 0 58 31 Dec 2024 578th CaedenHarper 🇨🇦 0 58 4 Jan 2025 578th CLOStrophobic 🇮🇹 0 58 17 Jan 2025 578th voytxt 🇨🇿 0 58 25 Jan 2025 578th sisyphus-ppcg 🇦🇺 0 58 28 Jan 2025 578th UnderKoen 🇳🇱 0 58 28 Jan 2025 578th dokutan 0 58 3 Feb 2025 578th HumanoidCPU 0 58 4 Feb 2025 578th emgordon154 0 58 5 Feb 2025 578th edsrzf 🇳🇿 0 58 9 Feb 2025 578th targrik 0 58 15 Feb 2025 578th edsrzf 🇳🇿 0 58 19 Feb 2025 First Prev 526–600 of 2,570 Next Last