ln 2 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 640th codingisgreatbutiamnot 648 78 19ms 29 Jul 2024 640th piano-miles 648 78 18ms 4 May 2025 640th Zhenyu-Bo 648 78 18ms 31 Jul 2025 640th jacekwladzinski 648 78 21ms 4 Oct 2025 645th Lydxn 🇨🇦 648 176 494ms 6 Aug 2023 646th mousetail 🇳🇱 645 60 1,017ms 24 Oct 2024 647th rifatx 644 138 504ms 15 Jul 2024 648th jared-hughes 644 177 527ms 24 Sep 2025 649th prestosilver 🇺🇸 643 207 1,194ms 12 days ago 650th heanyang1 641 60 230ms 29 May 2025 651st eiburns 640 79 20ms 15 Sep 2023 651st Mabeloid 🇳🇴 640 79 19ms 7 Sep 2024 651st Cube14yt 640 79 19ms 19 Nov 2025 651st zyc-2024 🇨🇳 640 79 20ms 30 Dec 2025 655th prestosilver 🇺🇸 637 154 22ms 2 Dec 2025 656th msbranicky 636 76 484ms 17 Jan 2024 656th Andrey2001 636 76 393ms 28 Jan 2026 658th stefangimmillaro 635 191 300ms 23 Oct 2023 659th h3ra993huskp 🇯🇵 633 180 717ms 30 Nov 2025 660th Natanaelel 🇸🇪 632 38 56ms 3 Aug 2023 661st yuchuehw 632 80 19ms 16 May 2024 661st RaBa21 🇭🇺 632 80 79ms 18 Jul 2025 663rd inventshah 632 155 11ms 1 Aug 2023 664th dokutan 630 58 58ms 26 Dec 2025 665th primo-ppcg 🇹🇭 630 181 473ms 2 Aug 2023 666th AlephSquirrel 630 202 117ms 3 Aug 2023 667th Alex-x90 🇺🇸 628 156 7ms 24 May 2024 668th jstechman 624 81 65ms 25 Feb 2024 668th robin-scragg 624 81 485ms 28 Sep 2025 670th janbehrens 🇩🇪 624 178 72ms 4 Aug 2023 671st xsot 🇸🇬 620 133 421ms 2 Aug 2023 672nd janbehrens 🇩🇪 620 158 7ms 4 Aug 2023 673rd jared-hughes 619 59 49ms 25 Dec 2025 674th Stockoh 🇫🇷 617 82 20ms 19 Jun 2024 674th wuzekai518 617 82 2,247ms 21 Jun 2024 676th Alex-x90 🇺🇸 617 180 73ms 1 Aug 2023 677th 2bular 616 46 632ms 21 Mar 2026 678th stefangimmillaro 616 153 51ms 26 Apr 2025 679th NickTheEASDude 🇺🇸 614 63 554ms 8 Aug 2024 680th Mabeloid 🇳🇴 612 79 416ms 17 Sep 2024 681st MeWhenI 🇻🇦 610 182 74ms 1 Aug 2023 682nd aksyristos 609 60 45ms 27 Dec 2025 683rd JonahEMorgan 609 83 20ms 10 Nov 2024 684th SirBogman 🇺🇸 609 385 383ms 1 Aug 2023 685th SirBogman 🇺🇸 604 156 52ms 3 Jun 2025 686th CaedenHarper 🇨🇦 601 84 190ms 26 days ago 687th MeWhenI 🇻🇦 598 164 7ms 1 Aug 2023 688th OllyTDev 595 85 18ms 22 Aug 2023 688th NickTheEASDude 🇺🇸 595 85 111ms 20 Aug 2024 690th AlephSquirrel 590 57 16ms 21 Jan 2025 691st Thinkr1 589 62 44ms 18 Nov 2025 691st KatieLG 🇬🇧 589 62 47ms 3 Feb 2026 693rd rustykitty 🇺🇸 588 86 24ms 31 Oct 2025 694th CatsAreFluffy 587 86 46ms 2 Jan 2024 695th madex 🇩🇪 583 168 12ms 21 Feb 2024 696th davbass 🇮🇹 582 66 213ms 25 Aug 2023 697th Chinay-Domitrix 🇺🇸 582 114 2,735ms 2 Mar 2026 698th kmathis22 582 196 490ms 6 Dec 2025 699th edsrzf 🇳🇿 580 63 48ms 25 Dec 2025 700th MeWhenI 🇻🇦 575 164 47ms 29 Apr 2025 701st RobertHoeh 574 88 212ms 16 May 2024 702nd namelessiw 573 199 671ms 15 Nov 2025 703rd MeWhenI 🇻🇦 571 238 1,733ms 9 days ago 704th Zekaroni 568 89 19ms 29 Aug 2023 704th CatsAreFluffy 568 89 192ms 2 Jan 2024 706th Yewzir 🇧🇪 566 244 318ms 3 Jan 2024 707th MeWhenI 🇻🇦 561 69 39ms 1 Aug 2023 708th didion0 🇺🇸 561 90 13ms 24 Feb 2025 709th Mabeloid 🇳🇴 560 235 128ms 26 Oct 2025 710th MeWhenI 🇻🇦 559 172 390ms 15 Oct 2023 711th MeWhenI 🇻🇦 558 224 6ms 12 Jan 2025 712th dokutan 557 248 312ms 6 Jan 2024 713th dokutan 555 237 120ms 11 Jan 2024 714th dokutan 555 240 250ms 1 Jul 2025 715th DialFrost 🇸🇬 554 177 5ms 11 Nov 2024 716th adamnielson42 🇺🇸 553 70 539ms 17 Nov 2023 717th roguh 🇬🇹 544 93 19ms 9 Jan 2024 718th CatsAreFluffy 543 89 653ms 15 Jan 2024 719th CaedenHarper 🇨🇦 539 165 1,110ms 19 Oct 2025 720th KaustubhDighe 538 94 18ms 3 Nov 2023 First Prev 641–720 of 1,917 Next Last