Catalan Numbers in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Continued Fractions 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 Continued Fractions 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 601st primo-ppcg 🇹🇭 855 129 44ms 14 Jan 2025 602nd DialFrost 🇸🇬 855 131 1,564ms 13 Sep 2025 602nd edsrzf 🇳🇿 855 131 1,721ms 13 Sep 2025 602nd ovs-code 🇩🇪 855 131 1,499ms 14 Sep 2025 602nd GolfingSuccess 🇬🇷 855 131 1,597ms 17 Sep 2025 602nd emgordon154 855 131 1,578ms 28 Sep 2025 602nd MeWhenI 🇻🇦 855 131 1,599ms 17 days ago 608th dokutan 854 41 645ms 22 Sep 2025 609th primo-ppcg 🇹🇭 854 218 5ms 6 Aug 2023 610th Codsilla 🇨🇦 853 43 513ms 3 Nov 2023 610th Daniel-Ellison 853 43 395ms 10 Aug 2025 612th Natanaelel 🇸🇪 853 58 983ms 3 Jan 2024 613th MeWhenI 🇻🇦 853 73 459ms 28 Feb 2022 613th Shanethegamer 🇺🇸 853 73 488ms 23 Mar 2022 613th DialFrost 🇸🇬 853 73 491ms 26 Oct 2023 613th jipsong 🇩🇪 853 73 508ms 1 Jul 2024 613th emgordon154 853 73 490ms 25 May 2025 618th ovs-code 🇩🇪 853 180 16ms 15 Jul 2023 619th GrayJoKing 🇦🇺 852 21 40ms 28 Jul 2022 619th ovs-code 🇩🇪 852 21 56ms 2 Feb 2024 619th xsot 🇸🇬 852 21 42ms 9 Jun 2024 619th pardouin 🇫🇷 852 21 54ms 11 Oct 2024 623rd KatieLG 🇬🇧 852 36 40ms 10 Apr 2022 623rd SirBogman 🇺🇸 852 36 50ms 17 May 2022 623rd Babafaba 852 36 34ms 15 Oct 2025 626th arcpolaris 852 85 361ms 16 Dec 2024 627th FlyingPenguin223 850 20 3ms 17 Oct 2024 628th j-Ewan 850 138 258ms 10 Mar 2022 629th sisyphus-ppcg 🇦🇺 846 42 36ms 22 May 2022 629th primo-ppcg 🇹🇭 846 42 29ms 23 May 2022 629th iakolzin 846 42 30ms 28 May 2022 629th saito-ta 🇯🇵 846 42 30ms 8 Jun 2022 629th nwellnhof 🇩🇪 846 42 30ms 8 Jun 2022 629th fuzzylojik-golf 🇺🇸 846 42 30ms 20 Sep 2025 635th Shanethegamer 🇺🇸 846 48 91ms 11 Mar 2023 636th snoozingnewt 🇺🇸 846 50 126ms 3 days ago 637th canissimia 🇦🇶 846 135 3ms 30 Jan 2022 637th btnlq 846 135 4ms 17 Nov 2022 639th primo-ppcg 🇹🇭 846 332 65ms 25 Jun 2022 640th SirBogman 🇺🇸 844 36 199ms 17 May 2022 641st DialFrost 🇸🇬 844 53 14ms 24 Mar 2025 642nd JRaspass 🇬🇧 844 139 261ms 7 Feb 2024 642nd Shanethegamer 🇺🇸 844 139 268ms 7 Feb 2024 642nd DialFrost 🇸🇬 844 139 241ms 7 Feb 2024 645th fuzzylojik-golf 🇺🇸 843 75 106ms 8 Sep 2025 645th sean-niemann 🇺🇸 843 75 101ms 21 Sep 2025 647th Bubbler-4 842 46 82ms 13 Sep 2023 648th annaproxy 842 86 339ms 5 May 2022 649th primo-ppcg 🇹🇭 842 132 3ms 14 Nov 2022 650th MeWhenI 🇻🇦 841 227 309ms 29 Dec 2024 651st ToE42 840 51 9ms 31 Jan 2022 651st kyleclaassen 840 51 9ms 12 Mar 2022 651st PiterAnnema 840 51 9ms 23 Mar 2022 651st OllieBoyne 🇬🇧 840 51 9ms 15 Apr 2022 651st TobyBoyne 🇬🇧 840 51 9ms 15 Apr 2022 651st SniperSmiley 🇺🇸 840 51 11ms 2 Jun 2022 651st abailey2020 🇺🇸 840 51 9ms 23 Jul 2022 651st suwat513 840 51 9ms 22 Sep 2022 651st QuincyNash 🇺🇸 840 51 9ms 15 Dec 2022 651st 4ndyJ 🇬🇧 840 51 9ms 19 Jan 2023 651st CheeseCake628 🇳🇴 840 51 9ms 20 Feb 2023 651st aksyristos 840 51 9ms 4 Mar 2023 651st DanielPeterssonAI 840 51 9ms 15 Mar 2023 651st Erik-M-Larsson 840 51 9ms 4 Apr 2023 651st mbittner20 840 51 9ms 12 Jun 2023 651st elgan65536 840 51 9ms 6 Mar 2024 651st Alex-x90 🇺🇸 840 51 10ms 5 May 2024 651st Stockoh 🇫🇷 840 51 11ms 14 Jun 2024 651st bac0id 840 51 9ms 29 Jun 2024 651st abhishekg999 840 51 9ms 20 Sep 2024 651st Hyunwook-Kim-WV 840 51 9ms 7 Aug 2025 651st jacekwladzinski 840 51 9ms 2 Oct 2025 673rd nwellnhof 🇩🇪 839 136 3ms 3 Dec 2022 674th edsrzf 🇳🇿 838 63 5ms 14 Jan 2025 675th emplv 🇱🇻 838 140 263ms 16 Nov 2022 First Prev 601–675 of 1,939 Next Last