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 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly 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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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 523rd h3ra993huskp 🇯🇵 0 51 1,315ms 15 Aug 2025 527th ovs-code 🇩🇪 0 52 1,980ms 31 May 2025 528th kg583 🇺🇸 0 53 847ms 21 Nov 2024 528th lifthrasiir 🇰🇷 0 53 655ms 2 Dec 2024 528th b-illy 🇬🇧 0 53 576ms 4 Jan 2025 528th CaedenHarper 🇨🇦 0 53 844ms 4 Jan 2025 528th GolfingSuccess 🇬🇷 0 53 650ms 14 Mar 2025 528th rucin93 🇵🇱 0 53 4ms 17 Apr 2025 528th zacjl 0 53 849ms 17 Apr 2025 528th Shanethegamer 🇺🇸 0 53 550ms 17 Apr 2025 528th pardouin 🇫🇷 0 53 624ms 17 Apr 2025 528th DialFrost 🇸🇬 0 53 841ms 17 Apr 2025 528th sean-niemann 🇺🇸 0 53 766ms 17 Apr 2025 528th HumanoidCPU 0 53 930ms 18 Apr 2025 528th m-tkach 🇺🇦 0 53 922ms 23 Apr 2025 528th emgordon154 0 53 823ms 23 Apr 2025 528th duckyluuk 🇳🇱 0 53 5ms 13 Jun 2025 528th duckyluuk 🇳🇱 0 53 808ms 13 Jun 2025 528th DialFrost 🇸🇬 0 53 5ms 13 Jun 2025 528th MeWhenI 🇻🇦 0 53 5ms 14 Jun 2025 528th rucin93 🇵🇱 0 53 5ms 14 Jun 2025 528th BREMAUCY 🇫🇷 0 53 5ms 1 Jul 2025 528th GolfingSuccess 🇬🇷 0 53 5ms 2 Jul 2025 528th fuzzylojik-golf 🇺🇸 0 53 3ms 15 Jul 2025 528th ovs-code 🇩🇪 0 53 857ms 18 Jul 2025 528th snoozingnewt 🇺🇸 0 53 4ms 15 Sep 2025 528th snoozingnewt 🇺🇸 0 53 801ms 15 Sep 2025 528th snoozingnewt 🇺🇸 0 53 5ms 15 Sep 2025 528th SirBogman 🇺🇸 0 53 793ms 5 Oct 2025 528th plcc0 0 53 847ms 7 Oct 2025 528th CornerMercury 🇬🇧 0 53 796ms 13 Oct 2025 528th frankgraziano 0 53 5ms 33 mins ago 558th neel11235813 0 54 706ms 9 Dec 2024 558th CLOStrophobic 🇮🇹 0 54 665ms 22 Jan 2025 558th edsrzf 🇳🇿 0 54 2ms 7 Aug 2025 561st Yewzir 🇧🇪 0 55 4ms 28 Dec 2024 561st JunkIce 0 55 743ms 7 Jan 2025 561st CLOStrophobic 🇮🇹 0 55 5ms 22 Jan 2025 561st commandblockguy 🇺🇸 0 55 732ms 2 Feb 2025 561st bizy-coder 0 55 4,125ms 17 Feb 2025 561st bizy-coder 0 55 766ms 18 Feb 2025 561st MeWhenI 🇻🇦 0 55 784ms 17 Apr 2025 561st Shanethegamer 🇺🇸 0 55 5ms 17 Apr 2025 561st HumanoidCPU 0 55 4ms 18 Apr 2025 561st CaedenHarper 🇨🇦 0 55 5ms 18 Apr 2025 561st rhysdh540 0 55 4,312ms 1 Oct 2025 572nd AlephSquirrel 0 56 797ms 25 Nov 2024 572nd sisyphus-ppcg 🇦🇺 0 56 4ms 26 Nov 2024 572nd targrik 0 56 5ms 12 Jan 2025 572nd GolfingSuccess 🇬🇷 0 56 9ms 5 Feb 2025 572nd Bubbler-4 0 56 9ms 12 Feb 2025 572nd sean-niemann 🇺🇸 0 56 2ms 24 Feb 2025 572nd rucin93 🇵🇱 0 56 3ms 19 Apr 2025 572nd DialFrost 🇸🇬 0 56 2ms 20 Apr 2025 572nd HumanoidCPU 0 56 2ms 21 Apr 2025 572nd FEZfan 🇦🇺 0 56 2ms 22 Apr 2025 572nd dokutan 0 56 2ms 28 Apr 2025 572nd Shanethegamer 🇺🇸 0 56 5ms 8 May 2025 572nd GolfingSuccess 🇬🇷 0 56 5ms 8 May 2025 572nd rucin93 🇵🇱 0 56 7ms 8 May 2025 572nd emplv 🇱🇻 0 56 5ms 8 May 2025 572nd sean-niemann 🇺🇸 0 56 5ms 9 May 2025 572nd DialFrost 🇸🇬 0 56 5ms 9 May 2025 572nd frankgraziano 0 56 3ms 19 May 2025 572nd Shanethegamer 🇺🇸 0 56 3ms 6 Jun 2025 572nd Shanethegamer 🇺🇸 0 56 1,218ms 4 Jul 2025 572nd edsrzf 🇳🇿 0 56 6ms 19 Jul 2025 572nd AbrahamJLR 🇻🇪 0 56 5ms 20 Jul 2025 572nd albanian-laundromat 0 56 887ms 4 Aug 2025 572nd snoozingnewt 🇺🇸 0 56 2ms 15 Sep 2025 572nd snoozingnewt 🇺🇸 0 56 5ms 15 Sep 2025 572nd CaedenHarper 🇨🇦 0 56 3ms 1 Oct 2025 572nd GolfingSuccess 🇬🇷 0 56 2ms 9 days ago 572nd edsrzf 🇳🇿 0 56 2ms 9 days ago 600th edsrzf 🇳🇿 0 57 9ms 8 Feb 2025 First Prev 526–600 of 2,851 Next Last