The Tic-tac-toe hole will go live in approximately 16 hours. Why not try and solve it ahead of time?
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 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 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 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 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling 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 CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Sphenic Numbers Star Wars GPT Tic-tac-toe 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 Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 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 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling 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 CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Sphenic Numbers Star Wars GPT Tic-tac-toe Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 438th JunkIce 0 74 22 days ago 438th CaedenHarper 🇨🇦 0 74 18 days ago 438th prplz 🇦🇺 0 74 7 days ago 438th CLOStrophobic 🇮🇹 0 74 4 days ago 438th voytxt 🇨🇿 0 74 4 days ago 438th voytxt 🇨🇿 0 74 4 days ago 457th edsrzf 🇳🇿 0 75 21 Nov 2024 457th GolfingSuccess 🇬🇷 0 75 25 Nov 2024 457th emgordon154 0 75 28 Nov 2024 457th GolfingSuccess 🇬🇷 0 75 6 Dec 2024 457th annaproxy 0 75 24 Dec 2024 457th DialFrost 🇸🇬 0 75 7 days ago 457th desecaw13 0 75 6 days ago 457th DialFrost 🇸🇬 0 75 4 days ago 465th Shanethegamer 🇺🇸 0 76 20 Nov 2024 465th Shanethegamer 🇺🇸 0 76 20 Nov 2024 465th edsrzf 🇳🇿 0 76 21 Nov 2024 465th emgordon154 0 76 27 Nov 2024 465th adamnielson42 🇺🇸 0 76 3 Dec 2024 465th SirBogman 🇺🇸 0 76 3 Dec 2024 465th MeWhenI 🇻🇦 0 76 11 Dec 2024 465th MeWhenI 🇻🇦 0 76 11 Dec 2024 465th HumanoidCPU 0 76 23 days ago 465th duckyluuk 🇳🇱 0 76 17 days ago 465th yb1yb1 0 76 12 days ago 465th AdrienHache 🇫🇷 0 76 7 days ago 465th Antibrain0 0 76 6 days ago 465th voytxt 🇨🇿 0 76 4 days ago 465th CLOStrophobic 🇮🇹 0 76 2 days ago 480th Shanethegamer 🇺🇸 0 77 20 Nov 2024 480th JunkIce 0 77 24 Nov 2024 480th GolfingSuccess 🇬🇷 0 77 25 Nov 2024 480th GolfingSuccess 🇬🇷 0 77 25 Nov 2024 480th DialFrost 🇸🇬 0 77 26 Nov 2024 480th SirBogman 🇺🇸 0 77 3 Dec 2024 480th ndren 0 77 5 Dec 2024 480th CaedenHarper 🇨🇦 0 77 18 days ago 480th KasperKivimaeki 🇫🇮 0 77 6 days ago 480th error256 0 77 6 days ago 480th rucin93 🇵🇱 0 77 6 days ago 480th b-illy 🇬🇧 0 77 6 days ago 492nd KrausRaus 🇺🇸 0 78 9 Dec 2024 492nd GolfingSuccess 🇬🇷 0 78 10 Dec 2024 492nd MeWhenI 🇻🇦 0 78 11 Dec 2024 492nd annaproxy 0 78 24 Dec 2024 492nd HumanoidCPU 0 78 25 days ago 492nd HumanoidCPU 0 78 23 days ago 492nd ComputerKWasTaken 🇺🇸 0 78 2 days ago 499th Shanethegamer 🇺🇸 0 79 20 Nov 2024 499th Jacob385 0 79 21 Nov 2024 499th MichalMarsalek 🇨🇿 0 79 25 Nov 2024 499th JunkIce 0 79 3 Dec 2024 499th CaedenHarper 🇨🇦 0 79 9 Dec 2024 499th MeWhenI 🇻🇦 0 79 11 Dec 2024 499th duckyluuk 🇳🇱 0 79 17 days ago 506th GolfingSuccess 🇬🇷 0 80 9 Dec 2024 506th MeWhenI 🇻🇦 0 80 11 Dec 2024 506th duckyluuk 🇳🇱 0 80 17 days ago 506th duckyluuk 🇳🇱 0 80 17 days ago 506th Kacarott 🇦🇺 0 80 6 days ago 511th JunkIce 0 81 3 Dec 2024 511th CaedenHarper 🇨🇦 0 81 9 Dec 2024 511th MeWhenI 🇻🇦 0 81 11 Dec 2024 511th HumanoidCPU 0 81 25 days ago 511th HumanoidCPU 0 81 25 days ago 516th edsrzf 🇳🇿 0 82 21 Nov 2024 516th GolfingSuccess 🇬🇷 0 82 25 Nov 2024 516th emgordon154 0 82 27 Nov 2024 516th Mandrzejy 🇵🇱 0 82 27 Nov 2024 516th emgordon154 0 82 27 Nov 2024 516th emgordon154 0 82 28 Nov 2024 516th MeWhenI 🇻🇦 0 82 11 Dec 2024 516th lifthrasiir 🇰🇷 0 82 12 Dec 2024 524th stefangimmillaro 0 83 20 Nov 2024 524th sean-niemann 🇺🇸 0 83 26 Nov 2024 Prev 451–525 of 843 Next