The Tic-tac-toe hole will go live in approximately 42 hours. Why not try and solve it ahead of time?
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 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 Chars Time 149th MeWhenI 🇻🇦 0 47 11 Dec 2024 149th duckyluuk 🇳🇱 0 47 16 days ago 149th CLOStrophobic 🇮🇹 0 47 6 days ago 154th DialFrost 🇸🇬 0 48 26 Nov 2024 154th emgordon154 0 48 27 Nov 2024 154th Shanethegamer 🇺🇸 0 48 16 Dec 2024 154th HumanoidCPU 0 48 23 days ago 158th GolfingSuccess 🇬🇷 0 49 25 Nov 2024 158th JunkIce 0 49 3 Dec 2024 158th CaedenHarper 🇨🇦 0 49 9 Dec 2024 158th HumanoidCPU 0 49 24 days ago 158th duckyluuk 🇳🇱 0 49 16 days ago 163rd Shanethegamer 🇺🇸 0 50 20 Nov 2024 163rd stefangimmillaro 0 50 21 Nov 2024 163rd duckyluuk 🇳🇱 0 50 26 Nov 2024 163rd GolfingSuccess 🇬🇷 0 50 22 Dec 2024 163rd HumanoidCPU 0 50 24 days ago 163rd voytxt 🇨🇿 0 50 3 days ago 163rd pardouin 🇫🇷 0 50 2 days ago 163rd Natanaelel 🇸🇪 0 50 2 days ago 171st FlyingPenguin223 0 51 21 Nov 2024 171st MeWhenI 🇻🇦 0 51 11 Dec 2024 173rd HumanoidCPU 0 52 24 days ago 174th kg583 🇺🇸 0 53 21 Nov 2024 174th error256 0 53 21 Nov 2024 174th DialFrost 🇸🇬 0 53 26 Nov 2024 174th lifthrasiir 🇰🇷 0 53 2 Dec 2024 174th b-illy 🇬🇧 0 53 24 days ago 174th CaedenHarper 🇨🇦 0 53 24 days ago 180th ovs-code 🇩🇪 0 54 25 Nov 2024 180th GolfingSuccess 🇬🇷 0 54 25 Nov 2024 180th pardouin 🇫🇷 0 54 25 Nov 2024 180th zacjl 0 54 1 Dec 2024 180th neel11235813 0 54 9 Dec 2024 180th duckyluuk 🇳🇱 0 54 9 Dec 2024 180th m-tkach 🇺🇦 0 54 25 days ago 180th HumanoidCPU 0 54 24 days ago 180th CLOStrophobic 🇮🇹 0 54 6 days ago 180th emgordon154 0 54 5 days ago 190th Shanethegamer 🇺🇸 0 55 20 Nov 2024 190th DialFrost 🇸🇬 0 55 26 Nov 2024 190th DialFrost 🇸🇬 0 55 26 Nov 2024 190th GolfingSuccess 🇬🇷 0 55 11 Dec 2024 190th Yewzir 🇧🇪 0 55 28 Dec 2024 190th JunkIce 0 55 21 days ago 190th CaedenHarper 🇨🇦 0 55 16 days ago 190th CLOStrophobic 🇮🇹 0 55 6 days ago 190th DialFrost 🇸🇬 0 55 3 days ago 199th AlephSquirrel 0 56 25 Nov 2024 199th sisyphus-ppcg 🇦🇺 0 56 26 Nov 2024 199th MeWhenI 🇻🇦 0 56 11 Dec 2024 199th targrik 0 56 16 days ago 203rd Shanethegamer 🇺🇸 0 57 20 Nov 2024 203rd duckyluuk 🇳🇱 0 57 26 days ago 203rd HumanoidCPU 0 57 24 days ago 203rd CaedenHarper 🇨🇦 0 57 16 days ago 207th kg583 🇺🇸 0 58 21 Nov 2024 207th khvdm 0 58 21 Nov 2024 207th GolfingSuccess 🇬🇷 0 58 23 Nov 2024 207th ovs-code 🇩🇪 0 58 25 Nov 2024 207th GolfingSuccess 🇬🇷 0 58 25 Nov 2024 207th GolfingSuccess 🇬🇷 0 58 25 Nov 2024 207th AlephSquirrel 0 58 25 Nov 2024 207th kg583 🇺🇸 0 58 26 Nov 2024 207th emgordon154 0 58 26 Nov 2024 207th m-tkach 🇺🇦 0 58 26 Nov 2024 207th emgordon154 0 58 27 Nov 2024 207th hallvabo 🇳🇴 0 58 29 Nov 2024 207th lifthrasiir 🇰🇷 0 58 30 Nov 2024 207th Shanethegamer 🇺🇸 0 58 10 Dec 2024 207th MeWhenI 🇻🇦 0 58 11 Dec 2024 207th Shanethegamer 🇺🇸 0 58 17 Dec 2024 207th zacjl 0 58 31 Dec 2024 207th GolfingSuccess 🇬🇷 0 58 1 Jan 2025 207th m-tkach 🇺🇦 0 58 25 days ago Prev 151–225 of 827 Next