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 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 NFA Simulator Odd Polyomino Tiling 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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 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 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 301st ovs-code 🇩🇪 0 37 15ms 26 Nov 2024 301st 2bular 0 37 38ms 9 Dec 2024 301st Natanaelel 🇸🇪 0 37 2ms 26 Jan 2025 301st DialFrost 🇸🇬 0 37 19ms 24 Feb 2025 301st Sakisan 🇧🇪 0 37 14ms 5 Apr 2025 301st dokutan 0 37 15ms 13 Apr 2025 301st DialFrost 🇸🇬 0 37 47ms 17 Apr 2025 301st MeWhenI 🇻🇦 0 37 21ms 17 Apr 2025 301st Shanethegamer 🇺🇸 0 37 42ms 17 Apr 2025 301st GolfingSuccess 🇬🇷 0 37 28ms 17 Apr 2025 301st Shanethegamer 🇺🇸 0 37 19ms 17 Apr 2025 301st HumanoidCPU 0 37 48ms 18 Apr 2025 301st HumanoidCPU 0 37 15ms 18 Apr 2025 301st HPWiz 🇳🇿 0 37 16ms 18 Apr 2025 301st CaedenHarper 🇨🇦 0 37 47ms 18 Apr 2025 301st CaedenHarper 🇨🇦 0 37 14ms 19 Apr 2025 301st GolfingSuccess 🇬🇷 0 37 50ms 19 Apr 2025 301st edsrzf 🇳🇿 0 37 14ms 19 Apr 2025 301st zacjl 0 37 6ms 20 Apr 2025 301st frankgraziano 0 37 45ms 19 May 2025 301st lynn 0 37 49ms 15 Jun 2025 301st frankgraziano 0 37 19ms 26 Jul 2025 301st albanian-laundromat 0 37 18ms 4 Aug 2025 301st snoozingnewt 🇺🇸 0 37 48ms 15 Sep 2025 301st snoozingnewt 🇺🇸 0 37 14ms 15 Sep 2025 301st SirBogman 🇺🇸 0 37 48ms 5 Oct 2025 327th ovs-code 🇩🇪 0 38 46ms 25 Nov 2024 327th emgordon154 0 38 5ms 27 Nov 2024 327th CLOStrophobic 🇮🇹 0 38 14ms 22 Jan 2025 327th ovs-code 🇩🇪 0 38 4ms 5 Feb 2025 327th GolfingSuccess 🇬🇷 0 38 11ms 15 Feb 2025 327th btjones0 0 38 3ms 17 Feb 2025 327th 2bular 0 38 4ms 7 Mar 2025 327th Frowny 0 38 47ms 10 Mar 2025 327th Shanethegamer 🇺🇸 0 38 4ms 17 Apr 2025 327th HumanoidCPU 0 38 4ms 18 Apr 2025 327th Mukundan314 0 38 14ms 25 Apr 2025 327th snoozingnewt 🇺🇸 0 38 3ms 15 Sep 2025 339th MeWhenI 🇻🇦 0 39 115ms 29 Jan 2025 339th DialFrost 🇸🇬 0 39 135ms 17 Apr 2025 339th yobatm 0 39 41ms 3 Aug 2025 342nd emgordon154 0 40 4ms 9 Feb 2025 342nd DialFrost 🇸🇬 0 40 4ms 9 Feb 2025 342nd GolfingSuccess 🇬🇷 0 40 8ms 12 Feb 2025 342nd chunes3 🇺🇸 0 40 4ms 13 Feb 2025 342nd targrik 0 40 4ms 15 Feb 2025 342nd emgordon154 0 40 4ms 5 Mar 2025 342nd MeWhenI 🇻🇦 0 40 5ms 17 Apr 2025 342nd DialFrost 🇸🇬 0 40 6ms 17 Apr 2025 342nd HumanoidCPU 0 40 8ms 18 Apr 2025 342nd DialFrost 🇸🇬 0 40 7ms 20 Apr 2025 342nd Shanethegamer 🇺🇸 0 40 7ms 6 Jun 2025 342nd artem-aramma 0 40 4ms 18 Jun 2025 342nd LostSyntax21 🇬🇧 0 40 4ms 19 Jul 2025 342nd alemelis 0 40 19ms 3 Aug 2025 342nd frankgraziano 0 40 8ms 13 Aug 2025 342nd snoozingnewt 🇺🇸 0 40 7ms 15 Sep 2025 358th GolfingSuccess 🇬🇷 0 42 4ms 25 Nov 2024 358th AlephSquirrel 0 42 4ms 27 Jan 2025 358th ovs-code 🇩🇪 0 42 16ms 4 Feb 2025 358th GolfingSuccess 🇬🇷 0 42 16ms 15 Feb 2025 358th 2bular 0 42 16ms 5 Mar 2025 358th edsrzf 🇳🇿 0 42 4ms 21 Mar 2025 358th DialFrost 🇸🇬 0 42 24ms 17 Apr 2025 358th zacjl 0 42 17ms 17 Apr 2025 358th Shanethegamer 🇺🇸 0 42 3ms 17 Apr 2025 358th Shanethegamer 🇺🇸 0 42 15ms 17 Apr 2025 358th DialFrost 🇸🇬 0 42 4ms 17 Apr 2025 358th edsrzf 🇳🇿 0 42 6ms 17 Apr 2025 358th HumanoidCPU 0 42 5ms 18 Apr 2025 358th HumanoidCPU 0 42 16ms 18 Apr 2025 358th CaedenHarper 🇨🇦 0 42 4ms 18 Apr 2025 358th zacjl 0 42 4ms 20 Apr 2025 358th dokutan 0 42 4ms 28 Apr 2025 358th dokutan 0 42 16ms 28 Apr 2025 First Prev 301–375 of 2,788 Next Last