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Card Number Validation 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 301st SB-945 789 82 18ms 1 Oct 2024 301st HumanoidCPU 789 82 63ms 7 Mar 2025 301st fkantelberg 789 82 11ms 11 Jul 2025 301st BrunoVisnadi 🇧🇷 789 82 10ms 21 Sep 2025 305th Shanethegamer 🇺🇸 789 88 106ms 4 Oct 2024 306th emgordon154 789 151 340ms 17 Jan 2025 307th edsrzf 🇳🇿 788 119 158ms 23 Jul 2025 308th KingSkyrock 🇺🇸 786 82 14ms 14 Oct 2024 309th Shanethegamer 🇺🇸 786 91 459ms 3 Oct 2024 310th stefangimmillaro 785 61 39ms 1 Oct 2024 311th namelessiw 785 119 444ms 9 Oct 2025 312th SirBogman 🇺🇸 785 138 39ms 11 Jul 2025 313th MeWhenI 🇻🇦 784 88 1ms 2 Oct 2024 314th Shanethegamer 🇺🇸 784 152 337ms 3 Oct 2024 314th targrik 784 152 342ms 7 Jul 2025 316th sean-niemann 🇺🇸 782 107 389ms 3 Oct 2024 317th SirBogman 🇺🇸 780 50 32ms 8 Jul 2025 318th duckyluuk 🇳🇱 780 97 11ms 25 Nov 2025 319th albanian-laundromat 🇺🇸 779 74 772ms 3 Nov 2025 320th Bmrl7 779 83 11ms 3 Oct 2024 321st m-tkach 🇺🇦 779 131 2ms 4 Oct 2024 322nd bizy-coder 778 74 469ms 1 Oct 2024 322nd m-tkach 🇺🇦 778 74 456ms 3 Oct 2024 324th Shanethegamer 🇺🇸 778 120 482ms 24 Sep 2025 325th uttumuttu 🇫🇮 777 83 13ms 1 Oct 2024 325th KatieLG 🇬🇧 777 83 13ms 1 Oct 2024 325th Larento 777 83 13ms 4 Nov 2024 325th Andrey-Plotnikov 777 83 13ms 13 Jan 2025 325th nathanadams 🇳🇿 777 83 11ms 6 Oct 2025 330th adriweb 🇫🇷 777 102 1ms 5 Oct 2024 331st sean-niemann 🇺🇸 777 105 461ms 1 Oct 2024 332nd AlephSquirrel 776 124 7ms 21 Oct 2024 333rd Natanaelel 🇸🇪 775 143 145ms 20 Apr 2025 334th sisyphus-ppcg 🇦🇺 773 62 36ms 3 Oct 2024 335th DialFrost 🇸🇬 773 90 2ms 18 Nov 2025 336th DialFrost 🇸🇬 772 121 557ms 24 Sep 2025 337th emgordon154 771 197 1,641ms 13 days ago 338th AlephSquirrel 770 84 22ms 1 Oct 2024 338th kops-cg 770 84 20ms 22 Feb 2025 338th xnor-gate 770 84 23ms 23 Feb 2025 341st targrik 770 88 8ms 7 Feb 2025 342nd Waffle3z 770 103 2ms 2 Oct 2024 343rd xsot 🇸🇬 770 125 7ms 20 Oct 2024 344th retrohun 769 63 20ms 2 Oct 2024 345th didion0 🇺🇸 768 84 14ms 10 Jan 2025 346th ovs-code 🇩🇪 768 122 164ms 25 Apr 2025 347th albanian-laundromat 🇺🇸 768 159 32ms 7 days ago 348th lifthrasiir 🇰🇷 767 37 2ms 27 Nov 2024 349th dokutan 767 75 392ms 14 Mar 2026 350th MeWhenI 🇻🇦 767 109 389ms 2 Oct 2024 351st retrohun 766 90 2ms 25 days ago 352nd emplv 🇱🇻 764 76 132ms 29 Oct 2024 353rd albanian-laundromat 🇺🇸 763 118 90ms 13 Nov 2025 354th GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 355th inventshah 761 85 22ms 4 Oct 2024 355th Artemis21 🇬🇧 761 85 11ms 10 Jan 2025 355th keelimeguy 🇺🇸 761 85 20ms 14 Jun 2025 358th MeWhenI 🇻🇦 761 89 6ms 2 Oct 2024 359th emgordon154 760 63 38ms 18 Nov 2024 359th SirBogman 🇺🇸 760 63 37ms 19 Jul 2025 361st DialFrost 🇸🇬 759 76 802ms 30 Aug 2025 362nd weliveinhell 🇭🇹 759 85 10ms 1 Oct 2024 362nd SteRoy 759 85 13ms 13 May 2025 364th AlephSquirrel 757 76 483ms 1 Oct 2024 365th 0xjac 🇨🇭 754 158 321ms 17 Jun 2025 366th MeWhenI 🇻🇦 754 162 26ms 2 Oct 2024 367th GrayJoKing 🇦🇺 753 90 5ms 1 Oct 2024 368th stackofbears 750 52 34ms 14 Mar 2025 369th DialFrost 🇸🇬 750 75 764ms 10 Oct 2024 370th Maznek 750 86 12ms 4 Oct 2024 371st MeWhenI 🇻🇦 750 89 2,339ms 24 Oct 2024 372nd luuumine 🇫🇷 749 92 1ms 5 Dec 2025 372nd bzd7 749 92 2ms 7 Dec 2025 374th sean-niemann 🇺🇸 749 116 449ms 24 Oct 2024 374th luuumine 🇫🇷 749 116 414ms 15 Dec 2025 376th MeWhenI 🇻🇦 749 203 1,659ms 11 days ago 377th Shanethegamer 🇺🇸 748 64 38ms 3 Oct 2024 377th Andriamanitra 🇫🇮 748 64 37ms 5 Oct 2024 379th MeWhenI 🇻🇦 748 106 1ms 2 Oct 2024 380th rak1507 🇬🇧 747 38 2ms 30 Dec 2024 381st Babafaba 747 77 417ms 11 Nov 2025 382nd sean-niemann 🇺🇸 747 93 107ms 24 Oct 2024 383rd Natanaelel 🇸🇪 746 53 3ms 10 Jan 2026 384th Shanethegamer 🇺🇸 746 114 24ms 15 days ago 385th Shanethegamer 🇺🇸 744 121 89ms 3 Oct 2024 386th SirBogman 🇺🇸 743 63 274ms 23 Jul 2025 387th JOrE20 743 87 20ms 21 Feb 2026 388th MeWhenI 🇻🇦 742 110 124ms 4 hours ago 389th KrausRaus 🇺🇸 741 87 11ms 1 Oct 2024 389th GeorgeStechman 🇬🇧 741 87 15ms 24 Oct 2024 389th coreynash 741 87 10ms 13 Feb 2025 389th kirjavascript 741 87 10ms 22 Jul 2025 393rd Shanethegamer 🇺🇸 741 90 2,524ms 28 Oct 2024 393rd ScottHamper 741 90 2,629ms 11 Dec 2025 395th sean-niemann 🇺🇸 741 93 1ms 24 Oct 2024 396th HumanoidCPU 738 78 450ms 7 Mar 2025 397th kg583 🇺🇸 737 156 37ms 15 Mar 2026 398th stefangimmillaro 736 92 8ms 2 Oct 2024 398th Shanethegamer 🇺🇸 736 92 5ms 3 Oct 2024 400th MeWhenI 🇻🇦 735 34 53ms 2 Oct 2024 First Prev 301–400 of 943 Next Last