Tic-tac-toe in Python in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 81st FoxInTheClouds 655 142 18ms 29 mins ago 82nd gresm 650 143 16ms 30 Jan 2025 83rd madex 🇩🇪 646 144 15ms 31 Jan 2025 83rd nooberitess 646 144 16ms 8 Apr 2025 83rd neihousaigaai 646 144 20ms 10 Apr 2025 86th codewrite 🇬🇧 641 145 19ms 15 May 2025 87th rucin93 🇵🇱 628 148 12ms 30 Jan 2025 88th luuumine 🇫🇷 620 150 14ms 31 Oct 2025 89th IsaacAlexBarden 616 151 22ms 6 Feb 2025 89th OllieBoyne 🇬🇧 616 151 19ms 6 Feb 2025 89th Mabeloid 🇳🇴 616 151 17ms 14 Feb 2025 92nd jatloe 608 153 16ms 17 Mar 2025 93rd Emutis 🇱🇹 604 154 16ms 14 Feb 2025 93rd Lv0Sys 🇵🇱 604 154 20ms 10 Dec 2025 95th Fracture17 596 156 14ms 12 Feb 2025 96th bobbysq 592 157 15ms 4 Mar 2025 96th klixel 🇨🇦 592 157 17ms 19 Jul 2025 98th starfihs 589 158 21ms 10 Feb 2025 99th martindotexe 🇳🇴 581 160 13ms 14 Feb 2025 100th croc54 578 161 13ms 31 Jan 2025 101st Babafaba 564 165 25ms 4 Nov 2025 102nd FlorianCassayre 🇫🇷 560 166 22ms 31 Jan 2025 102nd noanabeshima 560 166 13ms 9 Jul 2025 102nd yokasuretsu 560 166 15ms 11 Jul 2025 105th Keegan-T 🇨🇦 557 167 18ms 16 Apr 2025 105th evan18c 557 167 19ms 16 Apr 2025 107th CutSandstone 554 168 22ms 30 Jan 2025 107th sciencejiho 554 168 15ms 10 Feb 2025 107th dirckvdende 554 168 14ms 17 Jul 2025 110th jameswmccarty 550 169 15ms 9 Feb 2025 111th hiichbindermax 547 170 16ms 5 Feb 2025 112th 77Tigers 541 172 13ms 25 days ago 113th YAJUE114514 538 173 19ms 30 Jul 2025 113th aalec 538 173 14ms 8 Nov 2025 115th nstearns96 🇬🇧 531 175 16ms 4 Feb 2025 116th NerdyMcNerd42 528 176 13ms 20 Feb 2025 116th SectorCorruptor 528 176 14ms 4 days ago 118th nemoyatpeace 522 178 13ms 25 days ago 119th CarsonChr 🇺🇸 520 179 14ms 31 Jan 2025 120th gastropner 514 181 23ms 10 Feb 2025 121st JOrE20 511 182 14ms 8 days ago 122nd StefanHabel 🇨🇦 500 186 15ms 14 Feb 2025 123rd adamnielson42 🇺🇸 497 187 14ms 10 Feb 2025 124th Alban-Boissard 489 190 16ms 14 Jun 2025 125th davidludwik2370 487 191 13ms 31 Jul 2025 125th To5BG 487 191 16ms 16 Nov 2025 127th scpchicken 🇵🇼 479 194 22ms 14 Aug 2025 127th michaelhodel 479 194 20ms 16 Nov 2025 129th msbranicky 477 195 17ms 1 Feb 2025 130th Andrey2001 467 199 14ms 6 days ago 131st AstroOrbis 463 201 21ms 13 Jul 2025 132nd JunkIce 449 207 15ms 31 Jan 2025 132nd Flekay 🇩🇪 449 207 15ms 10 Jul 2025 134th RedzGoose 🇦🇺 441 211 22ms 10 Feb 2025 135th aksyristos 435 214 14ms 21 Mar 2025 135th TheZwierzLF 🇵🇱 435 214 15ms 29 May 2025 137th yhm138 431 216 13ms 16 Feb 2025 137th te-chnical 431 216 15ms 1 Jan 2026 139th mbittner20 429 217 16ms 24 Feb 2025 139th aaardwark 429 217 23ms 31 May 2025 141st RaBa21 🇭🇺 419 222 15ms 4 May 2025 141st EthanJantz 419 222 17ms 10 Aug 2025 143rd adaGrad1 417 223 18ms 3 Aug 2025 144th Wonamm 399 233 15ms 14 Feb 2025 144th TheAtrossian 399 233 12ms 15 Feb 2025 146th Mikey-Beep 🇬🇧 396 235 15ms 5 Oct 2025 147th FortuiteMan 🇫🇷 389 239 20ms 7 Jul 2025 148th Yewzir 🇧🇪 377 247 16ms 6 Feb 2025 149th MiLk 371 251 15ms 19 Feb 2025 150th Shotokhan 359 259 19ms 25 Sep 2025 151st robin-scragg 356 261 14ms 11 Jul 2025 152nd Stockoh 🇫🇷 354 263 109ms 13 Feb 2025 153rd lucasging 346 269 17ms 13 Jun 2025 154th omero-san 343 271 16ms 26 Sep 2025 155th Nikinator2704 317 293 12ms 1 Nov 2025 156th HumanoidCPU 306 304 15ms 26 Jan 2025 157th mintyproof 287 324 14ms 14 Feb 2025 158th atazzam 🇺🇸 284 328 14ms 14 Feb 2025 159th RobertBurs 269 346 15ms 26 Sep 2025 160th prplz 🇦🇺 268 347 19ms 14 Feb 2025 First Prev 81–160 of 168 Next Last