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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 448th Steffan153 🇫🇮 893 50 10ms 24 Sep 2022 448th IanUtley 893 50 15ms 14 Nov 2023 448th ovs-code 🇩🇪 893 50 20ms 30 Jun 2024 454th clementblaudeau 892 48 9ms 29 Jun 2022 454th shelerr 892 48 14ms 14 Jul 2022 454th anter69 🇭🇺 892 48 13ms 24 Jul 2022 454th idoweinstein 892 48 11ms 4 Aug 2022 454th jakobkordez 🇸🇮 892 48 10ms 6 Nov 2022 454th M0PKOBKA 892 48 9ms 26 Dec 2022 454th Fracture17 892 48 12ms 17 Apr 2023 454th falsidge 892 48 10ms 15 Jun 2023 454th fourth-bit 892 48 9ms 24 Jun 2023 454th adamnielson42 🇺🇸 892 48 12ms 17 Aug 2023 454th mathisfun271 892 48 10ms 22 Dec 2023 454th logvp 892 48 9ms 30 Dec 2023 454th minhtrancccp 892 48 10ms 11 Jan 2024 454th inverseLorentz 🇦🇺 892 48 9ms 1 Apr 2024 454th Yewzir 🇧🇪 892 48 13ms 7 May 2024 454th abcdhhhh 892 48 10ms 25 Aug 2024 454th Languag3 892 48 10ms 3 Mar 2025 454th albanian-laundromat 892 48 11ms 26 Apr 2025 454th swtchblade 892 48 9ms 12 Jul 2025 454th luuumine 🇫🇷 892 48 10ms 15 days ago 454th snoozingnewt 🇺🇸 892 48 9ms 3 hours ago 475th uttumuttu 🇫🇮 891 44 11ms 6 Mar 2022 475th janbehrens 🇩🇪 891 44 9ms 24 Apr 2023 475th two-bad 🇬🇧 891 44 9ms 25 Feb 2024 475th targrik 891 44 10ms 15 Feb 2025 475th snoozingnewt 🇺🇸 891 44 9ms 6 days ago 480th MeWhenI 🇻🇦 890 55 1,255ms 8 Jun 2023 480th pardouin 🇫🇷 890 55 1,353ms 23 Apr 2025 482nd JayXon 🇺🇸 889 76 2,759ms 8 Nov 2024 482nd pardouin 🇫🇷 889 76 2,786ms 30 Nov 2024 484th Lydxn 🇨🇦 888 132 250ms 27 Feb 2023 485th acotis 887 139 129ms 8 days ago 486th xsot 🇸🇬 887 140 739ms 19 Jun 2025 487th canissimia 🇦🇶 887 222 368ms 24 Mar 2024 488th JayXon 🇺🇸 885 88 147ms 2 Jul 2022 489th btnlq 884 124 414ms 5 May 2024 490th KatieLG 🇬🇧 882 82 317ms 12 Oct 2022 490th janbehrens 🇩🇪 882 82 392ms 24 Apr 2023 490th Yewzir 🇧🇪 882 82 382ms 7 May 2024 490th CaedenHarper 🇨🇦 882 82 353ms 5 days ago 494th GrayJoKing 🇦🇺 881 44 74ms 17 Sep 2023 494th ovs-code 🇩🇪 881 44 78ms 12 Sep 2024 496th edsrzf 🇳🇿 881 57 47ms 14 Jan 2025 497th martin-viggiano 881 133 263ms 21 Jun 2022 497th edsrzf 🇳🇿 881 133 295ms 18 Nov 2024 497th fuzzylojik-golf 🇺🇸 881 133 288ms 8 Sep 2025 500th ovs-code 🇩🇪 880 48 148ms 3 Aug 2024 500th GrayJoKing 🇦🇺 880 48 140ms 13 Aug 2024 500th emgordon154 880 48 131ms 19 Sep 2024 500th pardouin 🇫🇷 880 48 137ms 22 Sep 2024 504th ovs-code 🇩🇪 878 58 5ms 27 Nov 2022 504th Steffan153 🇫🇮 878 58 4ms 3 Feb 2023 504th GrayJoKing 🇦🇺 878 58 4ms 18 Oct 2023 504th xsot 🇸🇬 878 58 5ms 8 Feb 2024 504th sean-niemann 🇺🇸 878 58 4ms 13 Mar 2025 504th pardouin 🇫🇷 878 58 4ms 13 Mar 2025 510th Shanethegamer 🇺🇸 878 107 925ms 27 Mar 2025 510th pardouin 🇫🇷 878 107 1,022ms 28 Mar 2025 510th emgordon154 878 107 867ms 28 Mar 2025 510th MeWhenI 🇻🇦 878 107 951ms 28 Mar 2025 510th DialFrost 🇸🇬 878 107 996ms 28 Mar 2025 515th saito-ta 🇯🇵 878 131 85ms 20 Nov 2023 516th Bubbler-4 877 46 27ms 11 Feb 2022 516th kgolf 877 46 26ms 14 Feb 2022 518th GrayJoKing 🇦🇺 877 136 8ms 10 Apr 2022 519th Lydxn 🇨🇦 875 89 149ms 4 Apr 2022 520th Yewzir 🇧🇪 875 134 297ms 28 Oct 2023 521st JayXon 🇺🇸 875 141 145ms 4 Apr 2025 522nd LHuitre 874 49 11ms 1 Jun 2022 522nd glesnick 874 49 10ms 14 Jul 2022 522nd nstearns96 🇬🇧 874 49 16ms 29 Nov 2022 522nd fkantelberg 874 49 12ms 6 Aug 2023 First Prev 451–525 of 1,896 Next Last