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 526th JayXon 🇺🇸 875 141 137ms 4 Apr 2025 527th GolfingSuccess 🇬🇷 874 40 1,099ms 29 Aug 2025 527th pardouin 🇫🇷 874 40 912ms 29 Aug 2025 529th janbehrens 🇩🇪 874 42 327ms 29 Jan 2022 529th MarcMush 🇫🇷 874 42 342ms 9 Feb 2022 531st LHuitre 874 49 11ms 1 Jun 2022 531st glesnick 874 49 10ms 14 Jul 2022 531st nstearns96 🇬🇧 874 49 16ms 29 Nov 2022 531st fkantelberg 874 49 12ms 6 Aug 2023 531st ei14 874 49 9ms 7 May 2024 531st gallium-gonzollium 874 49 12ms 25 Aug 2024 531st lelbal 874 49 11ms 17 Sep 2024 531st snydej 874 49 10ms 27 Nov 2024 531st StefanHabel 🇨🇦 874 49 14ms 8 Mar 2025 531st bltnppcnt 874 49 14ms 10 Apr 2025 531st michelebastione 🇮🇹 874 49 10ms 8 Aug 2025 531st Chara-0x 874 49 11ms 18 Sep 2025 531st Europe2048 874 49 9ms 20 days ago 544th michelebastione 🇮🇹 872 83 363ms 13 Aug 2025 545th sisyphus-ppcg 🇦🇺 871 137 4ms 7 Apr 2022 546th Steffan153 🇫🇮 870 126 396ms 5 May 2024 547th albanian-laundromat 870 193 9ms 3 Aug 2025 548th xsot 🇸🇬 869 128 88ms 13 Jun 2025 549th JayXon 🇺🇸 868 35 253ms 29 Jan 2022 549th stefangimmillaro 868 35 196ms 6 Nov 2023 551st anter69 🇭🇺 868 57 921ms 23 Feb 2023 552nd canissimia 🇦🇶 868 150 4,684ms 5 Jun 2023 553rd HPWiz 🇳🇿 866 146 1,129ms 12 Oct 2023 554th ovs-code 🇩🇪 865 135 555ms 30 Sep 2024 555th ovs-code 🇩🇪 865 244 85ms 10 Jan 2023 555th GrayJoKing 🇦🇺 865 244 38ms 11 Jan 2023 557th jtaxen 864 53 148ms 16 Jul 2024 558th MeWhenI 🇻🇦 864 59 3ms 1 Oct 2022 558th DialFrost 🇸🇬 864 59 4ms 11 Feb 2023 558th edsrzf 🇳🇿 864 59 4ms 28 Aug 2025 561st ovs-code 🇩🇪 864 72 471ms 27 Feb 2022 561st GrayJoKing 🇦🇺 864 72 470ms 28 Feb 2022 561st Steffan153 🇫🇮 864 72 492ms 11 Feb 2023 564th Steffan153 🇫🇮 863 47 294ms 10 Dec 2022 565th inventshah 863 127 404ms 5 May 2024 566th JayXon 🇺🇸 863 129 1,813ms 14 Sep 2025 567th stefangimmillaro 863 136 262ms 9 Sep 2023 567th cduerm 863 136 259ms 19 Sep 2025 567th sean-niemann 🇺🇸 863 136 253ms 21 Sep 2025 570th GrayJoKing 🇦🇺 863 181 128ms 8 May 2022 571st MeWhenI 🇻🇦 862 49 136ms 3 Aug 2024 571st fuzzylojik-golf 🇺🇸 862 49 121ms 31 Jul 2025 573rd ovs-code 🇩🇪 861 139 544ms 18 Dec 2022 574th rucin93 🇵🇱 860 229 440ms 24 Jun 2025 575th stefangimmillaro 859 191 111ms 3 May 2023 576th primo-ppcg 🇹🇭 859 348 14ms 13 Aug 2025 577th m-tkach 🇺🇦 858 372 74ms 20 Jun 2025 578th jrm5399 🇰🇿 857 50 9ms 30 Jan 2022 578th Freddiechang 857 50 11ms 8 Mar 2024 580th 386asm 🇺🇸 857 175 46ms 4 May 2023 581st sean-niemann 🇺🇸 856 128 382ms 4 May 2024 582nd GrayJoKing 🇦🇺 855 43 414ms 16 Jan 2024 582nd sisyphus-ppcg 🇦🇺 855 43 375ms 16 Jan 2024 582nd annaproxy 855 43 392ms 21 Jan 2024 582nd commandblockguy 🇺🇸 855 43 387ms 1 Sep 2025 582nd Babafaba 855 43 334ms 16 days ago 587th MeWhenI 🇻🇦 855 59 41ms 13 Feb 2025 587th DialFrost 🇸🇬 855 59 40ms 13 Feb 2025 587th Shanethegamer 🇺🇸 855 59 38ms 13 Feb 2025 587th pardouin 🇫🇷 855 59 40ms 20 Mar 2025 591st inventshah 855 79 3,297ms 25 Oct 2024 591st error256 855 79 3,281ms 26 Oct 2024 591st emgordon154 855 79 3,656ms 1 Nov 2024 594th primo-ppcg 🇹🇭 855 129 44ms 14 Jan 2025 595th ovs-code 🇩🇪 855 276 17ms 8 Jul 2024 596th primo-ppcg 🇹🇭 854 218 4ms 6 Aug 2023 597th Codsilla 🇨🇦 853 43 516ms 3 Nov 2023 597th Daniel-Ellison 853 43 361ms 10 Aug 2025 599th Natanaelel 🇸🇪 853 58 983ms 3 Jan 2024 600th MeWhenI 🇻🇦 853 73 459ms 28 Feb 2022 First Prev 526–600 of 1,921 Next Last