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 826th Alex-x90 🇺🇸 746 147 543ms 6 May 2024 827th MeWhenI 🇻🇦 744 60 9ms 29 Jan 2022 828th Yewzir 🇧🇪 742 47 5 Feb 2025 829th Shanethegamer 🇺🇸 742 85 126ms 14 Oct 2022 829th edsrzf 🇳🇿 742 85 112ms 30 Apr 2025 831st jbjd 739 58 9ms 25 Feb 2024 832nd dokutan 739 67 18 Mar 2025 833rd Steffan153 🇫🇮 738 29 14 Nov 2022 833rd ovs-code 🇩🇪 738 29 29 Dec 2023 835th Steffan153 🇫🇮 738 68 55ms 29 Aug 2024 836th dokutan 738 69 4ms 1 Apr 2025 837th CheeseCake628 🇳🇴 736 50 3 days ago 838th dpinchbe 735 28 6 Sep 2024 839th sean-niemann 🇺🇸 733 229 259ms 4 Jul 2025 840th MeWhenI 🇻🇦 731 53 75ms 5 Apr 2025 841st dvargas46 🇺🇸 728 158 880ms 5 Feb 2023 842nd ovs-code 🇩🇪 727 70 7ms 11 Dec 2023 843rd iczelia 🇩🇪 726 54 10ms 8 days ago 844th CaedenHarper 🇨🇦 723 162 271ms 11 Jan 2025 845th Shanethegamer 🇺🇸 722 73 6ms 4 Oct 2024 846th Stockoh 🇫🇷 721 51 373ms 23 Jun 2024 847th davbass 🇮🇹 719 51 22 Aug 2023 848th primo-ppcg 🇹🇭 719 160 79ms 4 Feb 2023 849th emgordon154 719 163 288ms 18 Jan 2025 850th nullie 717 172 142ms 30 Dec 2024 851st SniperSmiley 🇺🇸 716 25 36ms 4 Sep 2022 851st CornerMercury 🇬🇧 716 25 47ms 24 Aug 2023 853rd Irratix 🇳🇱 715 64 143ms 29 Jan 2022 854th msbranicky 715 164 296ms 31 Aug 2023 855th LeeCamp 714 60 10ms 9 Feb 2022 855th guilhem-roy 🇫🇷 714 60 10ms 22 Feb 2022 855th Eilonlif 🇮🇱 714 60 9ms 27 Aug 2022 855th LogicalJoe 714 60 10ms 18 Sep 2022 855th 5quiwyrm 714 60 9ms 22 Oct 2022 855th TaserTheFox 🇺🇸 714 60 10ms 9 Jan 2023 855th ljweel 714 60 10ms 13 Feb 2023 855th shellbertt 🇨🇦 714 60 22ms 27 Apr 2023 855th ssbhatt4321 714 60 10ms 11 Jun 2023 855th PeterTillema 🇳🇱 714 60 12ms 10 Oct 2023 855th kurkale6ka 714 60 10ms 21 Dec 2023 855th sultan 714 60 10ms 3 Mar 2024 855th alemelis 714 60 12ms 13 Oct 2024 855th csharpython 714 60 11ms 5 Aug 2025 855th BREMAUCY 🇫🇷 714 60 11ms 11 Aug 2025 870th dokutan 714 109 165ms 18 Mar 2025 871st snoozingnewt 🇺🇸 713 43 37ms 26 days ago 872nd qwertyuiop3 🇷🇺 712 154 108ms 26 May 2025 873rd MeWhenI 🇻🇦 711 57 1 Jun 2022 874th Steffan153 🇫🇮 710 297 194ms 30 Jun 2024 875th typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 876th DialFrost 🇸🇬 706 72 7ms 19 Jan 2025 877th rokasveitas 🇱🇹 705 52 16 May 2022 877th shellbertt 🇨🇦 705 52 19 Mar 2023 879th aDwarfNamedUrist 704 65 117ms 9 Oct 2023 880th MeWhenI 🇻🇦 703 75 6ms 14 Feb 2025 881st knutae 🇳🇴 702 61 9ms 3 Feb 2022 881st cros107 🇦🇺 702 61 9ms 2 Nov 2022 881st Baxi-codes 702 61 11ms 24 Dec 2022 881st thatbirdguythatuknownot 702 61 11ms 14 Jan 2023 881st mathb0y512 702 61 9ms 20 Apr 2023 881st Mikey-Beep 🇬🇧 702 61 14ms 31 Aug 2023 881st drochom 702 61 14ms 17 Jun 2024 881st tphLatte 702 61 13ms 3 Jul 2024 881st NanduBC 702 61 10ms 6 Sep 2024 881st Pyroan 702 61 11ms 13 May 2025 891st voytxt 🇨🇿 701 134 2 Mar 2025 892nd dokutan 699 155 487ms 27 days ago 893rd MeWhenI 🇻🇦 698 158 50ms 29 Apr 2025 894th MeWhenI 🇻🇦 697 73 8ms 9 May 2024 895th sisyphus-ppcg 🇦🇺 696 164 3ms 29 Jan 2022 896th m-tkach 🇺🇦 695 402 35ms 23 Apr 2023 897th HumanoidCPU 694 53 472ms 27 May 2024 897th Mabeloid 🇳🇴 694 53 459ms 21 Sep 2024 899th DialFrost 🇸🇬 694 156 27 days ago 900th CedricGebistorf 691 62 9ms 6 Feb 2022 First Prev 826–900 of 1,894 Next Last