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 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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Chars Time 369th DialFrost 🇸🇬 0 46 6 Feb 2025 369th HumanoidCPU 0 46 18 Apr 2025 369th 2bular 0 46 1 Jun 2025 379th ovs-code 🇩🇪 0 47 25 Nov 2024 379th MeWhenI 🇻🇦 0 47 11 Dec 2024 379th duckyluuk 🇳🇱 0 47 12 Jan 2025 379th CLOStrophobic 🇮🇹 0 47 22 Jan 2025 379th GolfingSuccess 🇬🇷 0 47 12 Feb 2025 379th emgordon154 0 47 19 Feb 2025 379th DialFrost 🇸🇬 0 47 17 Apr 2025 379th Shanethegamer 🇺🇸 0 47 17 Apr 2025 379th HumanoidCPU 0 47 18 Apr 2025 379th CaedenHarper 🇨🇦 0 47 18 Apr 2025 379th edsrzf 🇳🇿 0 47 26 May 2025 390th emgordon154 0 48 27 Nov 2024 390th targrik 0 48 15 Feb 2025 392nd JunkIce 0 49 3 Dec 2024 392nd duckyluuk 🇳🇱 0 49 12 Jan 2025 392nd csharpython 0 49 5 Feb 2025 392nd voytxt 🇨🇿 0 49 8 Feb 2025 392nd gigaprofisi 🇺🇸 0 49 3 Mar 2025 392nd emgordon154 0 49 23 Apr 2025 392nd xvogt 🇱🇮 0 49 19 days ago 392nd Jagger002 0 49 9 days ago 400th Shanethegamer 🇺🇸 0 50 20 Nov 2024 400th stefangimmillaro 0 50 21 Nov 2024 400th duckyluuk 🇳🇱 0 50 26 Nov 2024 400th GolfingSuccess 🇬🇷 0 50 22 Dec 2024 400th voytxt 🇨🇿 0 50 25 Jan 2025 400th pardouin 🇫🇷 0 50 26 Jan 2025 400th Natanaelel 🇸🇪 0 50 26 Jan 2025 400th janlelis 0 50 31 Mar 2025 400th DialFrost 🇸🇬 0 50 17 Apr 2025 400th edsrzf 🇳🇿 0 50 17 Apr 2025 400th HumanoidCPU 0 50 18 Apr 2025 400th CaedenHarper 🇨🇦 0 50 18 Apr 2025 412th FlyingPenguin223 0 51 21 Nov 2024 412th MeWhenI 🇻🇦 0 51 11 Dec 2024 412th GolfingSuccess 🇬🇷 0 51 8 Feb 2025 415th ovs-code 🇩🇪 0 52 31 May 2025 416th kg583 🇺🇸 0 53 21 Nov 2024 416th lifthrasiir 🇰🇷 0 53 2 Dec 2024 416th b-illy 🇬🇧 0 53 4 Jan 2025 416th CaedenHarper 🇨🇦 0 53 4 Jan 2025 416th GolfingSuccess 🇬🇷 0 53 14 Mar 2025 416th rucin93 🇵🇱 0 53 17 Apr 2025 416th zacjl 0 53 17 Apr 2025 416th Shanethegamer 🇺🇸 0 53 17 Apr 2025 416th pardouin 🇫🇷 0 53 17 Apr 2025 416th DialFrost 🇸🇬 0 53 17 Apr 2025 416th sean-niemann 🇺🇸 0 53 17 Apr 2025 416th HumanoidCPU 0 53 18 Apr 2025 416th m-tkach 🇺🇦 0 53 23 Apr 2025 416th emgordon154 0 53 23 Apr 2025 416th duckyluuk 🇳🇱 0 53 19 days ago 416th duckyluuk 🇳🇱 0 53 19 days ago 416th DialFrost 🇸🇬 0 53 19 days ago 416th MeWhenI 🇻🇦 0 53 19 days ago 416th rucin93 🇵🇱 0 53 18 days ago 416th BREMAUCY 🇫🇷 0 53 37 hours ago 416th GolfingSuccess 🇬🇷 0 53 15 hours ago 437th ovs-code 🇩🇪 0 54 25 Nov 2024 437th neel11235813 0 54 9 Dec 2024 437th CLOStrophobic 🇮🇹 0 54 22 Jan 2025 440th Yewzir 🇧🇪 0 55 28 Dec 2024 440th JunkIce 0 55 7 Jan 2025 440th CLOStrophobic 🇮🇹 0 55 22 Jan 2025 440th commandblockguy 🇺🇸 0 55 2 Feb 2025 440th bizy-coder 0 55 17 Feb 2025 440th bizy-coder 0 55 18 Feb 2025 440th MeWhenI 🇻🇦 0 55 17 Apr 2025 440th Shanethegamer 🇺🇸 0 55 17 Apr 2025 440th HumanoidCPU 0 55 18 Apr 2025 440th CaedenHarper 🇨🇦 0 55 18 Apr 2025 450th AlephSquirrel 0 56 25 Nov 2024 Prev 376–450 of 1,928 Next