ln 2 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 600th Mabeloid 🇳🇴 639 79 18ms 7 Sep 2024 600th Cube14yt 639 79 18ms 4 days ago 603rd msbranicky 635 76 447ms 17 Jan 2024 604th Natanaelel 🇸🇪 632 38 60ms 3 Aug 2023 605th stefangimmillaro 632 191 294ms 23 Oct 2023 606th yuchuehw 631 80 19ms 16 May 2024 606th RaBa21 🇭🇺 631 80 73ms 18 Jul 2025 608th inventshah 630 155 12ms 1 Aug 2023 609th primo-ppcg 🇹🇭 629 181 335ms 2 Aug 2023 610th AlephSquirrel 628 202 120ms 3 Aug 2023 611th Alex-x90 🇺🇸 626 156 8ms 24 May 2024 612th jstechman 624 81 64ms 25 Feb 2024 612th mossiegoat 624 81 512ms 28 Sep 2025 614th janbehrens 🇩🇪 622 178 61ms 4 Aug 2023 615th jared-hughes 619 59 98ms 1 Aug 2023 616th xsot 🇸🇬 619 133 475ms 2 Aug 2023 617th janbehrens 🇩🇪 618 158 7ms 4 Aug 2023 618th Stockoh 🇫🇷 616 82 18ms 19 Jun 2024 618th wuzekai518 616 82 2,308ms 21 Jun 2024 620th Alex-x90 🇺🇸 615 180 66ms 1 Aug 2023 621st NickTheEASDude 🇺🇸 614 63 607ms 8 Aug 2024 622nd stefangimmillaro 613 153 62ms 26 Apr 2025 623rd Mabeloid 🇳🇴 611 79 396ms 17 Sep 2024 624th aksyristos 608 60 90ms 1 Aug 2023 625th roupiq 🇵🇱 608 83 700ms 18 Apr 2024 625th JonahEMorgan 608 83 19ms 10 Nov 2024 627th MeWhenI 🇻🇦 608 182 65ms 1 Aug 2023 628th SirBogman 🇺🇸 607 385 411ms 1 Aug 2023 629th SirBogman 🇺🇸 602 156 61ms 3 Jun 2025 630th MeWhenI 🇻🇦 596 164 9ms 1 Aug 2023 631st MeWhenI 🇻🇦 595 235 1,545ms 15 days ago 632nd OllyTDev 594 85 17ms 22 Aug 2023 632nd NickTheEASDude 🇺🇸 594 85 108ms 20 Aug 2024 634th AlephSquirrel 589 57 15ms 21 Jan 2025 635th Thinkr1 589 62 83ms 4 days ago 636th rustykitty 🇺🇸 587 86 27ms 22 days ago 637th CatsAreFluffy 586 86 44ms 2 Jan 2024 638th jacobly0 🇺🇸 584 169 4,378ms 3 Sep 2023 639th davbass 🇮🇹 582 66 198ms 25 Aug 2023 640th madex 🇩🇪 581 168 12ms 21 Feb 2024 641st kmathis22 575 198 365ms 25 days ago 642nd RobertHoeh 574 88 205ms 16 May 2024 643rd MeWhenI 🇻🇦 572 164 51ms 29 Apr 2025 644th namelessiw 572 199 395ms 7 days ago 645th dokutan 570 64 98ms 4 Oct 2024 646th Zekaroni 567 89 17ms 29 Aug 2023 646th CatsAreFluffy 567 89 185ms 2 Jan 2024 646th Aquateraneal 567 89 18ms 17 days ago 649th MeWhenI 🇻🇦 565 172 406ms 15 Oct 2023 650th Yewzir 🇧🇪 564 244 262ms 3 Jan 2024 651st MeWhenI 🇻🇦 560 69 42ms 1 Aug 2023 652nd didion0 🇺🇸 560 90 13ms 24 Feb 2025 652nd CaedenHarper 🇨🇦 560 90 181ms 6 Sep 2025 654th Mabeloid 🇳🇴 557 235 125ms 27 days ago 655th MeWhenI 🇻🇦 556 224 6ms 12 Jan 2025 656th dokutan 555 248 249ms 6 Jan 2024 657th edsrzf 🇳🇿 553 66 90ms 25 Nov 2024 658th adamnielson42 🇺🇸 552 70 599ms 17 Nov 2023 659th DialFrost 🇸🇬 552 177 6ms 11 Nov 2024 660th dokutan 552 237 130ms 11 Jan 2024 661st dokutan 551 240 214ms 1 Jul 2025 662nd roguh 🇬🇹 543 93 17ms 9 Jan 2024 663rd CatsAreFluffy 542 89 647ms 15 Jan 2024 664th albanian-laundromat 541 205 2ms 25 Jun 2025 665th KaustubhDighe 537 94 17ms 3 Nov 2023 666th CaedenHarper 🇨🇦 537 165 905ms 19 Oct 2025 667th MeWhenI 🇻🇦 533 208 2ms 1 Aug 2023 667th m-tkach 🇺🇦 533 208 3ms 1 Aug 2023 667th dokutan 533 208 2ms 27 Mar 2024 670th elgan65536 532 246 123ms 11 Nov 2023 671st alexeldridge 526 96 138ms 27 Aug 2024 672nd h3ra993huskp 🇯🇵 524 217 362ms 11 Feb 2024 673rd CaedenHarper 🇨🇦 518 266 271ms 18 days ago 674th Yewzir 🇧🇪 515 215 2ms 18 Jan 2024 675th Schmitt-Very-Cool 515 221 691ms 1 Oct 2025 First Prev 601–675 of 1,691 Next Last