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 676th Yewzir 🇧🇪 836 61 4ms 7 May 2024 677th UnderKoen 🇳🇱 836 382 152ms 20 Jun 2025 678th thisishowmymindworks 🇳🇴 835 47 8ms 11 Jun 2023 678th Babafaba 835 47 9ms 23 days ago 680th lynn 833 148 169ms 12 Jan 2025 681st MeWhenI 🇻🇦 832 42 718ms 30 Aug 2025 682nd cbrt-x 832 55 132ms 19 Sep 2023 683rd Steffan153 🇫🇮 832 76 120ms 15 Oct 2022 683rd MeWhenI 🇻🇦 832 76 105ms 15 Oct 2022 685th sean-niemann 🇺🇸 831 236 797ms 22 Apr 2025 686th janbehrens 🇩🇪 830 75 520ms 24 Apr 2023 686th Yewzir 🇧🇪 830 75 521ms 7 May 2024 688th Yewzir 🇧🇪 830 135 1,576ms 13 hours ago 689th aksyristos 829 37 33ms 4 Mar 2023 689th aydamak 829 37 34ms 7 May 2024 689th blaztoma 🇱🇹 829 37 36ms 11 Oct 2025 692nd DialFrost 🇸🇬 829 49 412ms 15 Nov 2024 692nd jipsong 🇩🇪 829 49 376ms 12 Feb 2025 694th voytxt 🇨🇿 828 51 130ms 3 Aug 2024 695th Waffle3z 828 144 3ms 8 Apr 2022 696th Steffan153 🇫🇮 826 43 36ms 7 Oct 2022 696th DialFrost 🇸🇬 826 43 37ms 11 Feb 2023 696th Shanethegamer 🇺🇸 826 43 33ms 21 Feb 2023 696th o0lit3 🇺🇸 826 43 32ms 8 Jun 2023 696th sean-niemann 🇺🇸 826 43 31ms 21 Sep 2025 701st GrayJoKing 🇦🇺 826 186 16ms 1 Aug 2023 702nd Ripick 825 64 6ms 14 Mar 2024 703rd Herbert00709 🇵🇱 824 52 13ms 21 Feb 2024 703rd namelessiw 824 52 13ms 19 Aug 2024 703rd WillowWispy 824 52 12ms 13 Mar 2025 706th DialFrost 🇸🇬 824 82 3,439ms 26 Oct 2024 707th ovs-code 🇩🇪 824 114 1,427ms 29 Mar 2025 708th stefangimmillaro 821 77 104ms 30 Sep 2023 709th DialFrost 🇸🇬 820 95 158ms 24 Mar 2025 710th lifthrasiir 🇰🇷 817 45 353ms 2 Dec 2024 711th daniel-pedersen 🇸🇪 817 48 9ms 6 Mar 2022 712th Awsute 817 56 149ms 21 Apr 2022 712th yzhs 🇩🇪 817 56 158ms 16 Jun 2022 712th snoozingnewt 🇺🇸 817 56 112ms 15 days ago 715th GolfingSuccess 🇬🇷 817 115 1,263ms 18 Jan 2025 715th edsrzf 🇳🇿 817 115 1,151ms 18 Jan 2025 715th error256 817 115 1,110ms 5 Feb 2025 718th dokutan 816 45 269ms 19 May 2024 718th Ripick 816 45 278ms 27 Jun 2025 720th ovs-code 🇩🇪 815 140 6ms 25 Nov 2024 721st dokutan 812 52 125ms 22 Sep 2025 722nd Herbert00709 🇵🇱 812 135 71ms 3 Apr 2025 723rd Yewzir 🇧🇪 811 61 1,000ms 7 May 2024 724th GolfingSuccess 🇬🇷 811 242 37ms 21 Dec 2023 725th ZakkkkAttackkkk 🇵🇭 808 53 10ms 30 Jan 2022 725th iakolzin 808 53 13ms 27 May 2022 725th nullie 808 53 10ms 7 Jun 2022 725th yzhs 🇩🇪 808 53 10ms 22 Jun 2022 725th markusgraube 808 53 12ms 24 Apr 2023 725th mstang107 808 53 11ms 20 Dec 2023 725th smokestacklightnin 🇺🇸 808 53 13ms 10 Jan 2024 725th HumanoidCPU 808 53 21ms 27 May 2024 725th Mabeloid 🇳🇴 808 53 10ms 21 Sep 2024 725th agreegious 808 53 12ms 14 Nov 2024 725th 0dyse 808 53 11ms 29 Apr 2025 725th piano-miles 808 53 10ms 9 May 2025 737th tatzyr 🇯🇵 807 38 35ms 14 Nov 2024 738th edsrzf 🇳🇿 807 48 84ms 9 Mar 2025 739th jerrandolph 804 146 269ms 23 Sep 2025 740th blaztoma 🇱🇹 803 57 131ms 22 Aug 2025 741st MeWhenI 🇻🇦 803 97 145ms 2 Jul 2023 742nd albanian-laundromat 803 117 1,417ms 5 Oct 2025 743rd kmathis22 803 135 337ms 22 days ago 744th snoozingnewt 🇺🇸 800 46 330ms 10 days ago 745th emplv 🇱🇻 800 79 108ms 20 Dec 2022 745th DialFrost 🇸🇬 800 79 130ms 23 Mar 2025 747th Feniske 🇫🇷 799 38 204ms 6 Nov 2023 747th Yewzir 🇧🇪 799 38 211ms 7 May 2024 749th j-Ewan 798 46 444ms 11 Feb 2022 749th czylabsonasa 🇭🇺 798 46 263ms 14 Jun 2022 First Prev 676–750 of 1,927 Next Last