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 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 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 825th kg583 🇺🇸 749 68 7ms 15 Aug 2025 827th MeWhenI 🇻🇦 749 219 106ms 16 Aug 2024 828th dokutan 748 41 38ms 18 Mar 2025 829th Alex-x90 🇺🇸 746 147 490ms 6 May 2024 830th MeWhenI 🇻🇦 745 60 9ms 29 Jan 2022 831st Yewzir 🇧🇪 744 47 1,136ms 5 Feb 2025 832nd Shanethegamer 🇺🇸 744 85 105ms 14 Oct 2022 832nd edsrzf 🇳🇿 744 85 111ms 30 Apr 2025 834th Steffan153 🇫🇮 742 68 44ms 29 Aug 2024 835th jbjd 739 58 9ms 25 Feb 2024 836th dokutan 739 67 930ms 18 Mar 2025 837th dokutan 739 69 4ms 1 Apr 2025 838th Steffan153 🇫🇮 738 29 126ms 14 Nov 2022 838th ovs-code 🇩🇪 738 29 119ms 29 Dec 2023 840th CheeseCake628 🇳🇴 736 50 438ms 18 days ago 841st dpinchbe 735 28 38ms 6 Sep 2024 842nd sean-niemann 🇺🇸 733 229 259ms 4 Jul 2025 843rd MeWhenI 🇻🇦 731 53 75ms 5 Apr 2025 844th snoozingnewt 🇺🇸 731 99 292ms 7 days ago 845th ovs-code 🇩🇪 728 70 7ms 11 Dec 2023 846th dvargas46 🇺🇸 728 158 880ms 5 Feb 2023 847th iczelia 🇩🇪 726 54 10ms 23 days ago 848th CaedenHarper 🇨🇦 724 162 262ms 11 Jan 2025 849th Shanethegamer 🇺🇸 723 73 6ms 4 Oct 2024 850th Stockoh 🇫🇷 721 51 373ms 23 Jun 2024 851st davbass 🇮🇹 720 51 298ms 22 Aug 2023 852nd emgordon154 720 163 288ms 18 Jan 2025 853rd primo-ppcg 🇹🇭 719 160 79ms 4 Feb 2023 854th nullie 717 172 145ms 30 Dec 2024 855th SniperSmiley 🇺🇸 716 25 36ms 4 Sep 2022 855th CornerMercury 🇬🇧 716 25 47ms 24 Aug 2023 857th Irratix 🇳🇱 715 64 143ms 29 Jan 2022 858th msbranicky 715 164 291ms 31 Aug 2023 859th LeeCamp 714 60 10ms 9 Feb 2022 859th guilhem-roy 🇫🇷 714 60 10ms 22 Feb 2022 859th Eilonlif 🇮🇱 714 60 9ms 27 Aug 2022 859th LogicalJoe 714 60 10ms 18 Sep 2022 859th 5quiwyrm 714 60 9ms 22 Oct 2022 859th TaserTheFox 🇺🇸 714 60 10ms 9 Jan 2023 859th ljweel 714 60 10ms 13 Feb 2023 859th shellbertt 🇨🇦 714 60 22ms 27 Apr 2023 859th ssbhatt4321 714 60 10ms 11 Jun 2023 859th PeterTillema 🇳🇱 714 60 12ms 10 Oct 2023 859th kurkale6ka 714 60 10ms 21 Dec 2023 859th sultan 714 60 10ms 3 Mar 2024 859th alemelis 714 60 12ms 13 Oct 2024 859th csharpython 714 60 11ms 5 Aug 2025 859th BREMAUCY 🇫🇷 714 60 11ms 11 Aug 2025 874th dokutan 714 109 165ms 18 Mar 2025 875th snoozingnewt 🇺🇸 713 43 37ms 26 Sep 2025 876th snoozingnewt 🇺🇸 713 49 678ms 7 days ago 877th MeWhenI 🇻🇦 712 57 318ms 1 Jun 2022 878th qwertyuiop3 🇷🇺 712 154 107ms 26 May 2025 879th Steffan153 🇫🇮 710 297 194ms 30 Jun 2024 880th typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 881st DialFrost 🇸🇬 707 72 7ms 19 Jan 2025 882nd snoozingnewt 🇺🇸 707 88 419ms 7 days ago 883rd rokasveitas 🇱🇹 706 52 314ms 16 May 2022 883rd shellbertt 🇨🇦 706 52 253ms 19 Mar 2023 885th aDwarfNamedUrist 704 65 117ms 9 Oct 2023 886th MeWhenI 🇻🇦 704 75 6ms 14 Feb 2025 887th knutae 🇳🇴 702 61 9ms 3 Feb 2022 887th cros107 🇦🇺 702 61 9ms 2 Nov 2022 887th Baxi-codes 702 61 11ms 24 Dec 2022 887th thatbirdguythatuknownot 702 61 11ms 14 Jan 2023 887th mathb0y512 702 61 9ms 20 Apr 2023 887th Mikey-Beep 🇬🇧 702 61 14ms 31 Aug 2023 887th drochom 702 61 14ms 17 Jun 2024 887th tphLatte 702 61 13ms 3 Jul 2024 887th NanduBC 702 61 10ms 6 Sep 2024 887th Pyroan 702 61 11ms 13 May 2025 897th voytxt 🇨🇿 701 134 860ms 2 Mar 2025 898th dokutan 699 155 375ms 24 Sep 2025 899th m-tkach 🇺🇦 699 402 35ms 23 Apr 2023 900th MeWhenI 🇻🇦 698 73 8ms 9 May 2024 First Prev 826–900 of 1,918 Next Last