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 450th duckyluuk 🇳🇱 0 49 12 Jan 2025 450th csharpython 0 49 5 Feb 2025 450th voytxt 🇨🇿 0 49 8 Feb 2025 450th gigaprofisi 🇺🇸 0 49 3 Mar 2025 450th emgordon154 0 49 23 Apr 2025 450th xvogt 🇱🇮 0 49 13 Jun 2025 450th Jagger002 0 49 24 Jun 2025 450th alphafalfa 0 49 18 Aug 2025 450th J09M 0 49 109 mins ago 460th Shanethegamer 🇺🇸 0 50 20 Nov 2024 460th stefangimmillaro 0 50 21 Nov 2024 460th duckyluuk 🇳🇱 0 50 26 Nov 2024 460th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 460th voytxt 🇨🇿 0 50 25 Jan 2025 460th pardouin 🇫🇷 0 50 26 Jan 2025 460th Natanaelel 🇸🇪 0 50 26 Jan 2025 460th janlelis 0 50 31 Mar 2025 460th DialFrost 🇸🇬 0 50 17 Apr 2025 460th edsrzf 🇳🇿 0 50 17 Apr 2025 460th HumanoidCPU 0 50 18 Apr 2025 460th CaedenHarper 🇨🇦 0 50 18 Apr 2025 460th snoozingnewt 🇺🇸 0 50 8 days ago 473rd FlyingPenguin223 0 51 21 Nov 2024 473rd MeWhenI 🇻🇦 0 51 11 Dec 2024 473rd GolfingSuccess 🇬🇷 0 51 8 Feb 2025 473rd h3ra993huskp 🇯🇵 0 51 15 Aug 2025 477th Shanethegamer 🇺🇸 0 52 4 Feb 2025 477th ovs-code 🇩🇪 0 52 5 Feb 2025 477th HumanoidCPU 0 52 7 Feb 2025 477th targrik 0 52 15 Feb 2025 477th GolfingSuccess 🇬🇷 0 52 15 Feb 2025 477th emgordon154 0 52 5 Mar 2025 477th 2bular 0 52 5 Mar 2025 477th MeWhenI 🇻🇦 0 52 17 Apr 2025 477th DialFrost 🇸🇬 0 52 17 Apr 2025 477th ovs-code 🇩🇪 0 52 31 May 2025 477th LostSyntax21 🇬🇧 0 52 19 Jul 2025 477th snoozingnewt 🇺🇸 0 52 8 days ago 489th kg583 🇺🇸 0 53 21 Nov 2024 489th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 489th rucin93 🇵🇱 0 53 17 Apr 2025 489th zacjl 0 53 17 Apr 2025 489th Shanethegamer 🇺🇸 0 53 17 Apr 2025 489th CaedenHarper 🇨🇦 0 53 17 Apr 2025 489th pardouin 🇫🇷 0 53 17 Apr 2025 489th DialFrost 🇸🇬 0 53 17 Apr 2025 489th sean-niemann 🇺🇸 0 53 17 Apr 2025 489th HumanoidCPU 0 53 18 Apr 2025 489th m-tkach 🇺🇦 0 53 23 Apr 2025 489th emgordon154 0 53 23 Apr 2025 489th duckyluuk 🇳🇱 0 53 13 Jun 2025 489th duckyluuk 🇳🇱 0 53 13 Jun 2025 489th DialFrost 🇸🇬 0 53 13 Jun 2025 489th MeWhenI 🇻🇦 0 53 14 Jun 2025 489th rucin93 🇵🇱 0 53 14 Jun 2025 489th BREMAUCY 🇫🇷 0 53 1 Jul 2025 489th GolfingSuccess 🇬🇷 0 53 2 Jul 2025 489th fuzzylojik-golf 🇺🇸 0 53 15 Jul 2025 489th ovs-code 🇩🇪 0 53 18 Jul 2025 489th snoozingnewt 🇺🇸 0 53 8 days ago 489th snoozingnewt 🇺🇸 0 53 8 days ago 489th snoozingnewt 🇺🇸 0 53 8 days ago 513th neel11235813 0 54 9 Dec 2024 513th b-illy 🇬🇧 0 54 4 Jan 2025 513th CLOStrophobic 🇮🇹 0 54 22 Jan 2025 513th edsrzf 🇳🇿 0 54 7 Aug 2025 517th lifthrasiir 🇰🇷 0 55 2 Dec 2024 517th Yewzir 🇧🇪 0 55 28 Dec 2024 517th JunkIce 0 55 7 Jan 2025 517th CLOStrophobic 🇮🇹 0 55 22 Jan 2025 517th commandblockguy 🇺🇸 0 55 2 Feb 2025 517th lyphyser 0 55 8 Feb 2025 517th bizy-coder 0 55 17 Feb 2025 517th bizy-coder 0 55 18 Feb 2025 517th MeWhenI 🇻🇦 0 55 17 Apr 2025 Prev 451–525 of 2,515 Next