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 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 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 601st primo-ppcg 🇹🇭 629 181 335ms 2 Aug 2023 602nd AlephSquirrel 628 202 120ms 3 Aug 2023 603rd Alex-x90 🇺🇸 626 156 8ms 24 May 2024 604th jstechman 623 81 68ms 25 Feb 2024 604th mossiegoat 623 81 488ms 28 Sep 2025 606th janbehrens 🇩🇪 621 178 61ms 4 Aug 2023 607th xsot 🇸🇬 619 133 475ms 2 Aug 2023 608th jared-hughes 618 59 98ms 1 Aug 2023 609th janbehrens 🇩🇪 618 158 7ms 4 Aug 2023 610th Stockoh 🇫🇷 616 82 19ms 19 Jun 2024 610th wuzekai518 616 82 2,392ms 21 Jun 2024 612th NickTheEASDude 🇺🇸 614 63 607ms 8 Aug 2024 613th Alex-x90 🇺🇸 614 180 65ms 1 Aug 2023 614th stefangimmillaro 613 153 62ms 26 Apr 2025 615th Mabeloid 🇳🇴 611 79 396ms 17 Sep 2024 616th aksyristos 608 60 90ms 1 Aug 2023 617th roupiq 🇵🇱 608 83 697ms 18 Apr 2024 617th JonahEMorgan 608 83 18ms 10 Nov 2024 619th MeWhenI 🇻🇦 607 182 70ms 1 Aug 2023 620th SirBogman 🇺🇸 607 385 411ms 1 Aug 2023 621st SirBogman 🇺🇸 602 156 61ms 3 Jun 2025 622nd MeWhenI 🇻🇦 596 164 9ms 1 Aug 2023 623rd MeWhenI 🇻🇦 595 235 1,545ms 6 days ago 624th OllyTDev 594 85 18ms 22 Aug 2023 624th NickTheEASDude 🇺🇸 594 85 127ms 20 Aug 2024 626th AlephSquirrel 589 57 15ms 21 Jan 2025 627th rustykitty 🇺🇸 587 86 18ms 13 days ago 628th CatsAreFluffy 586 86 47ms 2 Jan 2024 629th jacobly0 🇺🇸 584 169 4,378ms 3 Sep 2023 630th davbass 🇮🇹 582 66 223ms 25 Aug 2023 631st madex 🇩🇪 581 168 12ms 21 Feb 2024 632nd MeWhenI 🇻🇦 578 172 426ms 15 Oct 2023 633rd kmathis22 575 198 365ms 16 days ago 634th RobertHoeh 574 88 214ms 16 May 2024 635th MeWhenI 🇻🇦 572 164 51ms 29 Apr 2025 636th dokutan 570 64 98ms 4 Oct 2024 637th namelessiw 569 200 403ms 10 Oct 2025 638th Zekaroni 567 89 19ms 29 Aug 2023 638th CatsAreFluffy 567 89 209ms 2 Jan 2024 638th Aquateraneal 567 89 17ms 8 days ago 641st Yewzir 🇧🇪 564 244 270ms 3 Jan 2024 642nd MeWhenI 🇻🇦 560 69 42ms 1 Aug 2023 643rd didion0 🇺🇸 560 90 13ms 24 Feb 2025 643rd CaedenHarper 🇨🇦 560 90 175ms 6 Sep 2025 645th Mabeloid 🇳🇴 557 235 125ms 18 days ago 646th MeWhenI 🇻🇦 556 224 6ms 12 Jan 2025 647th dokutan 555 248 249ms 6 Jan 2024 648th edsrzf 🇳🇿 553 66 90ms 25 Nov 2024 649th adamnielson42 🇺🇸 552 70 599ms 17 Nov 2023 650th DialFrost 🇸🇬 552 177 6ms 11 Nov 2024 651st dokutan 552 237 142ms 11 Jan 2024 652nd dokutan 551 240 214ms 1 Jul 2025 653rd roguh 🇬🇹 543 93 17ms 9 Jan 2024 654th CatsAreFluffy 542 89 647ms 15 Jan 2024 655th albanian-laundromat 541 205 2ms 25 Jun 2025 656th KaustubhDighe 537 94 19ms 3 Nov 2023 657th CaedenHarper 🇨🇦 537 165 960ms 26 days ago 658th MeWhenI 🇻🇦 533 208 2ms 1 Aug 2023 658th m-tkach 🇺🇦 533 208 3ms 1 Aug 2023 658th dokutan 533 208 2ms 27 Mar 2024 661st elgan65536 532 246 159ms 11 Nov 2023 662nd alexeldridge 526 96 149ms 27 Aug 2024 663rd h3ra993huskp 🇯🇵 524 217 362ms 11 Feb 2024 664th CaedenHarper 🇨🇦 518 266 275ms 9 days ago 665th Yewzir 🇧🇪 515 215 2ms 18 Jan 2024 666th Schmitt-Very-Cool 515 221 691ms 1 Oct 2025 667th dokutan 511 236 86ms 23 Jul 2025 668th janbehrens 🇩🇪 508 165 3,502ms 4 Aug 2023 669th NoneTheFewer 505 100 18ms 17 May 2024 670th inventshah 500 673 18ms 1 Aug 2023 671st janbehrens 🇩🇪 499 228 324ms 4 Aug 2023 672nd CaedenHarper 🇨🇦 497 229 389ms 10 Oct 2025 673rd MeWhenI 🇻🇦 497 263 162ms 1 Aug 2023 674th galloj 🇨🇿 491 686 80ms 14 Aug 2023 675th MeWhenI 🇻🇦 490 87 707ms 15 Sep 2025 First Prev 601–675 of 1,672 Next Last