Catalan Numbers 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 750th czylabsonasa 🇭🇺 798 46 263ms 14 Jun 2022 752nd dokutan 798 136 349ms 8 days ago 753rd Betuaredead 798 147 266ms 21 Jan 2023 754th error256 797 51 76ms 15 Jan 2025 755th Matgc04 796 91 361ms 17 Nov 2023 756th albanian-laundromat 795 44 698ms 25 Sep 2025 756th Yewzir 🇧🇪 795 44 740ms 18 hours ago 758th MeWhenI 🇻🇦 795 85 3,040ms 27 Oct 2024 759th msbranicky 793 54 9ms 23 Aug 2023 759th Code-Coder-coder 793 54 9ms 12 Oct 2025 761st Ripick 793 148 276ms 16 Feb 2023 762nd MeWhenI 🇻🇦 789 45 29ms 16 Apr 2023 763rd Shanethegamer 🇺🇸 787 92 375ms 29 Jan 2022 763rd dokutan 787 92 411ms 24 Mar 2025 765th Yewzir 🇧🇪 786 39 45ms 7 May 2024 765th codereport 🇨🇦 786 39 35ms 21 Apr 2025 765th Chara-0x 786 39 34ms 18 Sep 2025 768th stefangimmillaro 786 86 2,979ms 4 Nov 2024 769th didion0 🇺🇸 785 50 9ms 16 Feb 2022 769th Natanaelel 🇸🇪 785 50 9ms 3 Jan 2024 769th weliveinhell 🇭🇹 785 50 9ms 11 Jan 2024 769th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 769th JOrE20 785 50 9ms 21 hours ago 774th annaproxy 785 65 3ms 3 Oct 2022 775th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 775th Steffan153 🇫🇮 784 65 7ms 20 Dec 2023 777th KatieLG 🇬🇧 783 47 407ms 15 Jan 2024 777th Yewzir 🇧🇪 783 47 383ms 7 May 2024 779th KasperKivimaeki 🇫🇮 782 150 263ms 29 Sep 2025 780th stellartux 781 47 299ms 1 Jan 2024 781st jared-hughes 781 139 342ms 24 Sep 2025 782nd stefangimmillaro 781 159 27ms 4 May 2023 783rd 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 783rd cuboids 779 55 9ms 10 Jul 2024 783rd jatloe 779 55 10ms 27 Sep 2024 783rd Emutis 🇱🇹 779 55 12ms 27 Oct 2024 787th hamhub7 779 93 419ms 3 Aug 2022 787th MeWhenI 🇻🇦 779 93 364ms 15 Oct 2022 789th MeWhenI 🇻🇦 778 23 39ms 25 Jul 2022 789th AlephSquirrel 778 23 44ms 31 Dec 2022 791st DialFrost 🇸🇬 777 68 5ms 7 Dec 2024 791st pardouin 🇫🇷 777 68 8ms 20 Mar 2025 793rd KasperKivimaeki 🇫🇮 777 147 5ms 4 Jun 2025 794th kimbo 🇺🇸 777 151 267ms 25 Dec 2022 795th rak1507 🇬🇧 776 52 30ms 29 Jan 2022 796th Shanethegamer 🇺🇸 776 59 143ms 29 Jan 2022 796th Z-snails 776 59 145ms 28 Feb 2023 798th inventshah 773 22 2ms 8 May 2022 799th KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 800th Natanaelel 🇸🇪 772 46 32ms 3 Jan 2024 801st Shanethegamer 🇺🇸 771 58 15ms 29 Jan 2022 802nd ovs-code 🇩🇪 771 82 107ms 14 Oct 2022 803rd jared-hughes 771 307 22ms 8 Jul 2024 804th codingisgreatbutiamnot 769 51 9ms 25 Jul 2024 805th Yax42 🇫🇷 769 141 331ms 4 Oct 2025 806th dokutan 767 153 274ms 24 Mar 2025 807th albanian-laundromat 766 48 404ms 7 Oct 2025 808th ovs-code 🇩🇪 766 161 132ms 21 Apr 2025 809th MeWhenI 🇻🇦 765 48 376ms 15 Feb 2023 810th petroselo 765 56 9ms 12 Apr 2022 810th SB-945 765 56 10ms 10 Jul 2023 810th JunkIce 765 56 13ms 24 Nov 2024 810th kevinnaviapaiva 765 56 10ms 19 Dec 2024 810th wobblybits 765 56 10ms 19 Aug 2025 815th brimstonetrader 763 60 126ms 10 Jan 2024 815th YAJUE114514 763 60 145ms 23 Jul 2025 817th Yewzir 🇧🇪 763 102 154ms 7 May 2024 818th LeeCamp 762 27 37ms 10 Feb 2022 819th snoozingnewt 🇺🇸 762 154 282ms 17 days ago 820th nipzu 761 162 148ms 2 Apr 2024 821st pardouin 🇫🇷 760 51 81ms 13 Sep 2024 822nd SirFireball3521 754 52 9ms 3 Nov 2022 823rd PrathamMehta08 752 57 12ms 6 Dec 2023 823rd Terobero 752 57 11ms 21 Aug 2024 823rd AtengChen 752 57 10ms 7 Sep 2024 First Prev 751–825 of 1,930 Next Last