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 526th XioR112 🇵🇱 701 72 18ms 29 Aug 2023 526th rollershutter 701 72 17ms 9 Nov 2023 526th Dataen 701 72 17ms 10 Jan 2024 526th Hebelub 701 72 17ms 10 Jan 2024 526th jfallon1997 701 72 17ms 30 Apr 2024 526th pinguicula 701 72 10ms 15 Aug 2024 526th ImpressedByRocks 701 72 162ms 24 May 2025 526th FortuiteMan 🇫🇷 701 72 18ms 28 Sep 2025 534th msbranicky 698 55 229ms 12 Jan 2024 535th tomh1012 698 127 387ms 16 Sep 2025 536th MeWhenI 🇻🇦 694 87 1,691ms 9 May 2024 536th kg583 🇺🇸 694 87 79ms 16 hours ago 538th MeWhenI 🇻🇦 693 171 1,500ms 28 Mar 2025 539th adamnielson42 🇺🇸 692 73 17ms 14 Aug 2023 539th jtaxen 692 73 17ms 17 Mar 2024 539th ei14 692 73 182ms 23 May 2024 539th EnTerr 692 73 17ms 17 Jun 2024 543rd msbranicky 692 199 769ms 31 Aug 2023 544th zakariamouhid 691 73 2,614ms 1 Aug 2023 545th Daniikk1012 690 41 268ms 20 days ago 546th stefangimmillaro 688 190 142ms 4 Jun 2025 547th dokutan 684 284 2ms 16 days ago 548th ovs-code 🇩🇪 677 115 4,707ms 30 May 2025 549th clemmers 🇺🇸 673 75 17ms 1 Aug 2023 549th aksyristos 673 75 17ms 1 Aug 2023 549th bac0id 673 75 17ms 20 Sep 2023 552nd albanian-laundromat 673 176 1,456ms 18 Oct 2025 553rd iczelia 🇩🇪 672 75 20ms 16 Oct 2025 554th msbranicky 665 76 17ms 3 Aug 2023 554th StHagel 665 76 18ms 3 Aug 2023 554th BREMAUCY 🇫🇷 665 76 18ms 4 Aug 2023 554th SniperSmiley 🇺🇸 665 76 17ms 15 Aug 2023 554th RYNO8 665 76 17ms 20 Aug 2023 554th epic-programmer-guy 665 76 17ms 31 Dec 2023 554th Just4FunCoder 665 76 17ms 26 Feb 2024 554th sultan 665 76 17ms 9 Mar 2024 554th stertooy 🇧🇪 665 76 18ms 11 Jun 2024 554th xyangst 665 76 18ms 12 Oct 2024 554th OSYCh314 🇦🇺 665 76 17ms 2 Nov 2024 554th Unknownuserfrommars 665 76 18ms 20 Nov 2024 554th austinleblanc 665 76 20ms 1 Mar 2025 554th 0dyse 665 76 17ms 29 Apr 2025 554th codewrite 🇬🇧 665 76 21ms 25 May 2025 554th Flekay 🇩🇪 665 76 18ms 10 Jul 2025 554th GoldStar184 665 76 18ms 17 Jul 2025 554th Upload-and-View 🇺🇦 665 76 18ms 9 Aug 2025 554th cthierfelder 🇲🇨 665 76 18ms 8 Sep 2025 554th LostSyntax21 🇬🇧 665 76 18ms 14 days ago 574th BREMAUCY 🇫🇷 664 55 99ms 11 Sep 2023 574th tatzyr 🇯🇵 664 55 88ms 6 Feb 2025 576th ovs-code 🇩🇪 663 211 1,563ms 14 Sep 2025 577th rollershutter 662 58 214ms 8 Nov 2023 578th MeWhenI 🇻🇦 660 183 146ms 1 Aug 2023 579th willdaspit 656 77 17ms 4 Aug 2023 579th jgh713 656 77 17ms 29 Aug 2023 579th diquah 656 77 17ms 1 Nov 2023 579th cooljoseph1 656 77 17ms 24 Dec 2023 579th jameswmccarty 656 77 17ms 4 Jun 2024 579th swtchblade 656 77 17ms 15 Jul 2025 579th Voltrifrodec 🇸🇰 656 77 18ms 16 days ago 586th m-tkach 🇺🇦 656 254 80ms 17 Dec 2023 587th CaedenHarper 🇨🇦 655 65 1,155ms 27 Sep 2025 588th 4hg 🇺🇸 650 69 831ms 17 Sep 2023 589th edsrzf 🇳🇿 648 183 1,737ms 18 Jan 2025 590th Coolbeansyeah 647 78 17ms 13 May 2024 590th codingisgreatbutiamnot 647 78 17ms 29 Jul 2024 590th piano-miles 647 78 17ms 4 May 2025 590th Zhenyu-Bo 647 78 17ms 31 Jul 2025 590th jacekwladzinski 647 78 24ms 4 Oct 2025 595th Lydxn 🇨🇦 646 176 361ms 6 Aug 2023 596th mousetail 🇳🇱 644 60 1,119ms 24 Oct 2024 597th jared-hughes 643 177 362ms 24 Sep 2025 598th rifatx 642 138 431ms 15 Jul 2024 599th heanyang1 640 60 254ms 29 May 2025 600th eiburns 639 79 18ms 15 Sep 2023 First Prev 526–600 of 1,692 Next Last