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 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 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 mossiegoat 623 81 488ms 28 Sep 2025 602nd janbehrens 🇩🇪 621 178 61ms 4 Aug 2023 603rd xsot 🇸🇬 619 133 475ms 2 Aug 2023 604th jared-hughes 618 59 98ms 1 Aug 2023 605th janbehrens 🇩🇪 618 158 7ms 4 Aug 2023 606th Stockoh 🇫🇷 616 82 19ms 19 Jun 2024 606th wuzekai518 616 82 2,392ms 21 Jun 2024 608th NickTheEASDude 🇺🇸 614 63 607ms 8 Aug 2024 609th Alex-x90 🇺🇸 614 180 65ms 1 Aug 2023 610th stefangimmillaro 613 153 62ms 26 Apr 2025 611th Mabeloid 🇳🇴 611 79 396ms 17 Sep 2024 612th aksyristos 608 60 90ms 1 Aug 2023 613th roupiq 🇵🇱 608 83 697ms 18 Apr 2024 613th JonahEMorgan 608 83 18ms 10 Nov 2024 615th MeWhenI 🇻🇦 607 182 70ms 1 Aug 2023 616th SirBogman 🇺🇸 607 385 441ms 1 Aug 2023 617th SirBogman 🇺🇸 602 156 61ms 3 Jun 2025 618th MeWhenI 🇻🇦 595 164 9ms 1 Aug 2023 619th OllyTDev 594 85 18ms 22 Aug 2023 619th NickTheEASDude 🇺🇸 594 85 127ms 20 Aug 2024 621st AlephSquirrel 589 57 15ms 21 Jan 2025 622nd rustykitty 🇺🇸 587 86 18ms 6 days ago 623rd CatsAreFluffy 586 86 45ms 2 Jan 2024 624th jacobly0 🇺🇸 584 169 4,378ms 3 Sep 2023 625th MeWhenI 🇻🇦 583 172 468ms 15 Oct 2023 626th davbass 🇮🇹 582 66 223ms 25 Aug 2023 627th madex 🇩🇪 581 168 12ms 21 Feb 2024 628th MeWhenI 🇻🇦 580 196 403ms 3 Sep 2023 629th kmathis22 575 198 550ms 10 days ago 630th RobertHoeh 574 88 214ms 16 May 2024 631st MeWhenI 🇻🇦 572 164 51ms 29 Apr 2025 632nd dokutan 570 64 98ms 4 Oct 2024 633rd namelessiw 569 200 414ms 10 Oct 2025 634th Zekaroni 567 89 19ms 29 Aug 2023 634th CatsAreFluffy 567 89 209ms 2 Jan 2024 634th Aquateraneal 567 89 17ms 2 days ago 637th Yewzir 🇧🇪 564 244 270ms 3 Jan 2024 638th MeWhenI 🇻🇦 560 69 42ms 1 Aug 2023 639th didion0 🇺🇸 560 90 12ms 24 Feb 2025 639th CaedenHarper 🇨🇦 560 90 192ms 6 Sep 2025 641st Mabeloid 🇳🇴 557 235 125ms 12 days ago 642nd MeWhenI 🇻🇦 556 224 6ms 12 Jan 2025 643rd dokutan 555 248 249ms 6 Jan 2024 644th edsrzf 🇳🇿 553 66 90ms 25 Nov 2024 645th adamnielson42 🇺🇸 552 70 599ms 17 Nov 2023 646th dokutan 552 237 127ms 11 Jan 2024 647th DialFrost 🇸🇬 551 177 6ms 11 Nov 2024 648th dokutan 551 240 214ms 1 Jul 2025 649th roguh 🇬🇹 543 93 17ms 9 Jan 2024 650th CatsAreFluffy 542 89 647ms 15 Jan 2024 651st albanian-laundromat 541 205 2ms 25 Jun 2025 652nd KaustubhDighe 537 94 19ms 3 Nov 2023 653rd CaedenHarper 🇨🇦 536 165 960ms 19 days ago 654th MeWhenI 🇻🇦 533 208 2ms 1 Aug 2023 654th m-tkach 🇺🇦 533 208 3ms 1 Aug 2023 654th dokutan 533 208 2ms 27 Mar 2024 657th elgan65536 532 246 127ms 11 Nov 2023 658th alexeldridge 526 96 149ms 27 Aug 2024 659th h3ra993huskp 🇯🇵 524 217 404ms 11 Feb 2024 660th CaedenHarper 🇨🇦 518 266 275ms 2 days ago 661st Yewzir 🇧🇪 515 215 2ms 18 Jan 2024 662nd Schmitt-Very-Cool 515 221 836ms 1 Oct 2025 663rd dokutan 511 236 86ms 23 Jul 2025 664th janbehrens 🇩🇪 508 165 3,674ms 4 Aug 2023 665th NoneTheFewer 505 100 18ms 17 May 2024 666th inventshah 500 673 18ms 1 Aug 2023 667th janbehrens 🇩🇪 499 228 386ms 4 Aug 2023 668th CaedenHarper 🇨🇦 497 229 427ms 27 days ago 669th MeWhenI 🇻🇦 497 263 168ms 1 Aug 2023 670th galloj 🇨🇿 491 686 80ms 14 Aug 2023 671st MeWhenI 🇻🇦 489 87 1,055ms 15 Sep 2025 672nd dokutan 486 234 364ms 24 Sep 2025 673rd SirBogman 🇺🇸 485 98 484ms 11 Aug 2023 674th Chinay-Domitrix 🇺🇸 482 137 3,484ms 15 Apr 2025 675th cbrt-x 482 236 883ms 15 Sep 2023 First Prev 601–675 of 1,650 Next Last