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 300th 051 🇸🇬 912 43 19 Aug 2022 300th tayloia 🇬🇧 912 43 12 Jan 2023 300th eranws 912 43 8 Feb 2024 300th voytxt 🇨🇿 912 43 5 May 2024 300th Yewzir 🇧🇪 912 43 7 May 2024 300th dmrichwa 🇺🇸 912 43 22 Sep 2024 300th a6166231 🇨🇳 912 43 25 Apr 2025 300th CaedenHarper 🇨🇦 912 43 25 Jun 2025 300th dokutan 912 43 22 Sep 2025 310th RYNO8 911 47 15ms 18 Feb 2022 310th TFeld00 🇩🇰 911 47 10ms 22 Apr 2022 310th LukasFolwarczny 🇨🇿 911 47 11ms 16 Sep 2022 310th commandblockguy 🇺🇸 911 47 9ms 18 Sep 2022 310th KatieLG 🇬🇧 911 47 6 Oct 2022 310th betaveros 911 47 12ms 30 Dec 2022 310th Just4FunCoder 911 47 11ms 23 Mar 2023 310th vishwathg 911 47 16ms 4 Apr 2023 310th Schreipfelerer 911 47 12ms 9 Apr 2023 310th quimey 911 47 14ms 23 Jun 2023 310th dranjohn 911 47 9ms 16 Sep 2023 310th keelimeguy 🇺🇸 911 47 11ms 16 Dec 2023 310th bob-th 911 47 17ms 22 Jan 2024 310th fgrosshans 🇫🇷 911 47 12ms 16 Jul 2024 310th moustave 911 47 12ms 4 Dec 2024 310th Bulmenisaurus 911 47 6 Feb 2025 310th xiaoyiming123 911 47 23 Jul 2025 310th InigoK 🇺🇸 911 47 10ms 9 Aug 2025 328th Lydxn 🇨🇦 911 49 42ms 29 Jan 2022 328th btnlq 911 49 49ms 29 Jan 2022 330th fuzzylojik-golf 🇺🇸 910 119 27 days ago 330th sean-niemann 🇺🇸 910 119 27 days ago 330th JayXon 🇺🇸 910 119 27 days ago 330th nwellnhof 🇩🇪 910 119 26 days ago 334th clockworknazo 909 56 6ms 30 Sep 2022 334th Lydxn 🇨🇦 909 56 7ms 28 Feb 2023 336th Lydxn 🇨🇦 909 58 8ms 29 Jan 2022 336th primo-ppcg 🇹🇭 909 58 6ms 29 Jan 2022 336th AlephSquirrel 909 58 7ms 16 Jan 2023 336th ovs-code 🇩🇪 909 58 7ms 11 Mar 2023 336th varhammer 🇷🇺 909 58 6ms 19 Oct 2024 336th kg583 🇺🇸 909 58 6ms 21 Oct 2024 336th CLOStrophobic 🇮🇹 909 58 6ms 17 Jan 2025 336th zacjl 909 58 6ms 21 Jan 2025 344th error256 908 56 26 Oct 2024 344th zacjl 908 56 29 Oct 2024 344th edsrzf 🇳🇿 908 56 14 Jan 2025 347th Lydxn 🇨🇦 907 54 1,393ms 29 Jan 2022 347th lynn 907 54 1,344ms 29 Jan 2022 347th JayXon 🇺🇸 907 54 1,332ms 29 Jan 2022 347th primo-ppcg 🇹🇭 907 54 1,226ms 29 Jan 2022 347th Steffan153 🇫🇮 907 54 1,253ms 4 Jan 2023 347th Shanethegamer 🇺🇸 907 54 1,264ms 21 Feb 2023 347th DialFrost 🇸🇬 907 54 1,251ms 10 Mar 2025 347th sean-niemann 🇺🇸 907 54 1,305ms 18 Apr 2025 347th edsrzf 🇳🇿 907 54 1,307ms 31 Aug 2025 356th primo-ppcg 🇹🇭 904 80 361ms 29 Jan 2022 356th m-tkach 🇺🇦 904 80 319ms 31 Jan 2022 356th Steffan153 🇫🇮 904 80 373ms 24 Sep 2022 356th tomtheisen 🇺🇸 904 80 395ms 7 Feb 2023 356th stefangimmillaro 904 80 353ms 7 Jul 2023 356th namelessiw 904 80 350ms 5 Jun 2025 356th DialFrost 🇸🇬 904 80 8 Sep 2025 363rd stefangimmillaro 903 120 16 days ago 363rd CaedenHarper 🇨🇦 903 120 440ms 11 days ago 365th annaproxy 902 34 29 Jan 2022 365th shinh 902 34 27 Jun 2022 365th anter69 🇭🇺 902 34 24 Jul 2022 365th janlelis 902 34 28 Aug 2022 369th JayXon 🇺🇸 902 70 109ms 14 Oct 2022 369th Lydxn 🇨🇦 902 70 119ms 15 Oct 2022 371st JayXon 🇺🇸 902 130 310ms 8 Feb 2022 371st nwellnhof 🇩🇪 902 130 292ms 3 Jun 2022 371st kkoenig 902 130 292ms 6 Sep 2025 374th Kacarott 🇦🇺 901 43 13 Sep 2024 374th error256 901 43 13 Sep 2024 First Prev 301–375 of 1,894 Next Last