Reversi in all languages in chars. 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 Chars Time Submitted 241st Shanethegamer 🇺🇸 676 240 228ms 14 Jun 2024 242nd ovs-code 🇩🇪 674 121 535ms 2 Jul 2024 243rd MeWhenI 🇻🇦 673 131 36ms 13 Aug 2024 244th Yax42 🇫🇷 671 146 27ms 26 days ago 245th Shanethegamer 🇺🇸 671 235 12ms 13 Jun 2024 246th Yewzir 🇧🇪 671 286 309ms 9 Jun 2024 247th mousetail 🇳🇱 670 183 2ms 23 Sep 2025 247th madex 🇩🇪 670 183 2ms 23 Dec 2025 249th MeWhenI 🇻🇦 668 122 521ms 1 Jun 2024 250th Shanethegamer 🇺🇸 662 148 17ms 12 Jun 2024 251st MeWhenI 🇻🇦 661 205 479ms 1 Jun 2024 252nd Shanethegamer 🇺🇸 658 214 113ms 1 Jun 2024 253rd orthoplex 🇨🇽 657 121 23ms 1 Jun 2024 254th rucin93 🇵🇱 655 129 157ms 31 Oct 2024 255th Shanethegamer 🇺🇸 655 207 476ms 12 Jun 2024 256th scpchicken 🇵🇼 654 78 6ms 3 Jun 2024 256th blaztoma 🇱🇹 654 78 6ms 12 Jan 2026 258th Yewzir 🇧🇪 653 233 7ms 9 Jun 2024 258th rucin93 🇵🇱 653 233 45ms 8 Dec 2025 260th nwellnhof 🇩🇪 652 122 18ms 1 Jun 2024 260th MeWhenI 🇻🇦 652 122 28ms 7 Jun 2024 260th sisyphus-ppcg 🇦🇺 652 122 19ms 25 Jul 2024 263rd xsot 🇸🇬 652 125 508ms 2 Jun 2024 263rd SirBogman 🇺🇸 652 125 503ms 2 Jun 2024 265th MeWhenI 🇻🇦 652 216 117ms 1 Jun 2024 266th KasperKivimaeki 🇫🇮 648 189 3ms 3 Sep 2025 267th kritixilithos 647 114 35ms 1 Jun 2024 267th error256 647 114 32ms 16 Jun 2024 267th MeWhenI 🇻🇦 647 114 36ms 15 Jul 2025 270th KatieLG 🇬🇧 647 126 2,703ms 6 Oct 2025 271st MeWhenI 🇻🇦 646 79 6ms 1 Jun 2024 272nd ovs-code 🇩🇪 646 123 18ms 1 Jun 2024 272nd ryyyn 🇺🇸 646 123 19ms 5 Nov 2025 274th namelessiw 646 208 502ms 16 Oct 2025 275th Shanethegamer 🇺🇸 637 216 485ms 7 Jun 2024 276th ovs-code 🇩🇪 636 116 32ms 1 Jun 2024 276th retrohun 636 116 36ms 7 Jun 2024 278th edsrzf 🇳🇿 636 125 25ms 9 Dec 2025 279th helbling 🇨🇭 632 155 20ms 1 Jun 2024 280th 5cw 🇺🇸 631 126 18ms 1 Jun 2024 280th stefangimmillaro 631 126 18ms 30 Jan 2025 280th bricknellj 631 126 19ms 6 Feb 2025 280th KatieLG 🇬🇧 631 126 2,449ms 15 Sep 2025 284th error256 622 238 3,966ms 15 Apr 2025 285th AlephSquirrel 621 128 30ms 4 Jun 2024 286th MeWhenI 🇻🇦 619 157 10ms 20 Jun 2024 287th MeWhenI 🇻🇦 619 255 6ms 10 Jun 2024 288th ovs-code 🇩🇪 617 137 151ms 17 Apr 2025 289th ndren 616 129 304ms 11 Jul 2025 290th emgordon154 616 150 11ms 10 Dec 2024 291st Shanethegamer 🇺🇸 615 158 10ms 13 Jun 2024 292nd albanian-laundromat 613 133 561ms 10 Sep 2025 293rd GrayJoKing 🇦🇺 612 138 145ms 14 Aug 2024 293rd error256 612 138 133ms 6 May 2025 295th AlephSquirrel 611 225 38ms 21 Oct 2024 296th albanian-laundromat 606 463 16ms 18 Sep 2025 297th retrohun 600 202 182ms 19 Aug 2024 298th galloj 🇨🇿 599 123 28ms 9 Jun 2024 299th Shanethegamer 🇺🇸 599 189 615ms 12 Jun 2024 300th jatloe 598 133 367ms 28 Oct 2024 301st stefangimmillaro 595 124 36ms 12 Nov 2025 302nd bizy-coder 595 137 569ms 1 Jun 2024 303rd Shanethegamer 🇺🇸 594 203 344ms 13 Jun 2024 304th GolfingSuccess 🇬🇷 593 134 20ms 1 Jun 2024 305th MeWhenI 🇻🇦 592 295 35ms 12 Jul 2025 306th MeWhenI 🇻🇦 591 204 462ms 27 Jul 2024 307th Shanethegamer 🇺🇸 588 234 39ms 4 Oct 2024 308th CaedenHarper 🇨🇦 587 327 319ms 20 Nov 2025 309th bzijlema 🇳🇱 585 136 44ms 14 Jan 2026 310th tatzyr 🇯🇵 582 113 143ms 26 Mar 2025 311th Shanethegamer 🇺🇸 582 231 447ms 24 Sep 2025 312th MeWhenI 🇻🇦 579 145 1,745ms 15 Sep 2025 313th blaztoma 🇱🇹 576 138 28ms 11 Dec 2025 314th Shanethegamer 🇺🇸 574 202 132ms 13 Jun 2024 315th bizy-coder 572 139 32ms 1 Jun 2024 315th cros107 🇦🇺 572 139 32ms 19 Jun 2024 317th edsrzf 🇳🇿 572 241 48ms 4 Apr 2025 318th bac0id 572 259 72ms 24 Jun 2024 319th JOrE20 570 172 45ms 3 days ago 320th davecame 568 140 20ms 16 Jul 2024 First Prev 241–320 of 450 Next Last