The Continued Fractions hole will go live in approximately 26 hours. Why not try and solve it ahead of time?
Tic-tac-toe in all languages 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 561st RedzGoose 🇦🇺 424 211 22ms 10 Feb 2025 562nd acollett89 423 171 11ms 14 Jul 2025 563rd aksyristos 419 214 14ms 21 Mar 2025 563rd TheZwierzLF 🇵🇱 419 214 15ms 29 May 2025 565th tomh1012 417 201 451ms 12 Sep 2025 566th yhm138 415 216 13ms 16 Feb 2025 566th te-chnical 415 216 14ms 1 Jan 2026 568th damagegithub 414 277 80ms 13 days ago 569th madeforlosers 413 175 17ms 5 Nov 2025 570th mbittner20 413 217 16ms 24 Feb 2025 570th aaardwark 413 217 23ms 31 May 2025 572nd CaedenHarper 🇨🇦 410 331 305ms 2 Nov 2025 573rd blaztoma 🇱🇹 409 215 165ms 28 Nov 2025 574th Maltaran 🇵🇱 409 233 3ms 14 Feb 2025 575th Waffle3z 407 231 3ms 7 Feb 2025 575th Sciman101 407 231 5ms 17 Jan 2026 577th RaBa21 🇭🇺 405 221 13ms 14 days ago 578th EthanJantz 403 222 15ms 10 Aug 2025 579th Matter1024 🇮🇳 402 125 39ms 13 days ago 580th adaGrad1 402 223 18ms 3 Aug 2025 581st JOrE20 401 383 27ms 13 days ago 582nd JunkIce 399 199 753ms 31 Jan 2025 583rd aliakseikalosha 399 210 356ms 22 Jun 2025 584th jerrandolph 397 342 365ms 24 Sep 2025 585th madex 🇩🇪 393 128 43ms 31 Jan 2025 586th yoshykai 390 268 510ms 30 Mar 2025 587th snoozingnewt 🇨🇦 389 192 129ms 16 Sep 2025 588th Wonamm 384 233 15ms 14 Feb 2025 588th TheAtrossian 384 233 12ms 15 Feb 2025 590th JRaspass 🇬🇧 383 119 4ms 3 Feb 2025 591st Mikey-Beep 🇬🇧 381 235 15ms 5 Oct 2025 592nd FortuiteMan 🇫🇷 375 239 17ms 7 Jul 2025 593rd madex 🇩🇪 372 353 349ms 28 Jan 2025 594th IISResetMe 368 160 1,942ms 7 Jan 2026 595th Macweese 368 284 477ms 13 days ago 596th KatieLG 🇬🇧 364 138 45ms 19 Oct 2025 597th Yewzir 🇧🇪 363 247 13ms 6 Feb 2025 598th MiLk 357 251 15ms 19 Feb 2025 599th zakariamouhid 351 206 13ms 8 Mar 2025 600th dokutan 350 328 4,329ms 28 Apr 2025 601st viv511 348 274 2ms 7 Feb 2025 602nd Shotokhan 346 259 17ms 25 Sep 2025 603rd CaedenHarper 🇨🇦 344 334 61ms 12 Sep 2025 604th ereztaiar 🇮🇱 344 395 368ms 8 Apr 2025 605th MeWhenI 🇻🇦 344 446 27ms 13 Mar 2025 606th blaztoma 🇱🇹 343 224 6ms 22 Sep 2025 607th robin-scragg 343 261 14ms 11 Jul 2025 608th Stockoh 🇫🇷 341 263 109ms 13 Feb 2025 609th CaedenHarper 🇨🇦 339 213 16ms 23 Aug 2025 610th Ronterox 337 149 39ms 23 days ago 611th Schmitt-Very-Cool 336 311 705ms 3 Oct 2025 612th gigaprofisi 🇺🇸 333 217 16ms 4 Nov 2025 613th lucasging 333 269 13ms 13 Jun 2025 614th KatieLG 🇬🇧 333 428 14ms 27 Jun 2025 615th Yewzir 🇧🇪 332 239 538ms 7 Feb 2025 616th omero-san 330 271 16ms 26 Sep 2025 617th HumanoidCPU 327 292 3ms 5 Jun 2025 618th Aquateraneal 320 280 16ms 13 days ago 619th Chinay-Domitrix 🇺🇸 316 266 3,230ms 6 Apr 2025 620th The-Wolfson 312 302 100ms 5 Feb 2025 621st HumanoidCPU 306 236 17ms 8 Feb 2025 622nd Nikinator2704 306 293 12ms 1 Nov 2025 623rd CarterStroik 306 307 4ms 13 Nov 2025 624th CaedenHarper 🇨🇦 306 312 3ms 12 Sep 2025 625th TheZwierzLF 🇵🇱 305 165 43ms 6 Jan 2026 626th vroup 🇩🇰 302 278 502ms 18 Aug 2025 627th HumanoidCPU 295 304 15ms 26 Jan 2025 628th JOrE20 284 177 38ms 25 days ago 629th ehulinsky 🇺🇸 283 241 12ms 3 Apr 2025 630th mousetail 🇳🇱 281 339 3ms 31 Jan 2025 631st mintyproof 276 324 14ms 14 Feb 2025 632nd atazzam 🇺🇸 273 328 14ms 14 Feb 2025 633rd Zach1031 271 424 1,413ms 15 Nov 2025 634th HumanoidCPU 268 296 1,042ms 26 Jan 2025 635th Jacob385 268 389 537ms 14 Feb 2025 636th codewrite 🇬🇧 266 315 433ms 17 May 2025 637th CaedenHarper 🇨🇦 266 572 2,131ms 23 Oct 2025 638th ibeucaly 263 516 373ms 11 Mar 2025 639th RobertBurs 259 346 15ms 26 Sep 2025 640th prplz 🇦🇺 258 347 19ms 14 Feb 2025 First Prev 561–640 of 745 Next Last