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) Taxicab Numbers 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 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) Taxicab Numbers 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 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 Shanethegamer 🇺🇸 788 91 459ms 3 Oct 2024 308th edsrzf 🇳🇿 788 119 158ms 23 Jul 2025 309th KingSkyrock 🇺🇸 787 82 11ms 14 Oct 2024 309th Argeento 🇵🇱 787 82 10ms 14 mins ago 311th stefangimmillaro 785 61 39ms 1 Oct 2024 312th namelessiw 785 119 444ms 9 Oct 2025 313th SirBogman 🇺🇸 785 138 45ms 11 Jul 2025 314th MeWhenI 🇻🇦 784 88 1ms 2 Oct 2024 315th Shanethegamer 🇺🇸 784 152 337ms 3 Oct 2024 315th targrik 784 152 342ms 7 Jul 2025 317th sean-niemann 🇺🇸 782 107 389ms 3 Oct 2024 318th SirBogman 🇺🇸 780 50 32ms 8 Jul 2025 319th duckyluuk 🇳🇱 780 97 11ms 25 Nov 2025 320th albanian-laundromat 🇺🇸 779 74 772ms 3 Nov 2025 321st Bmrl7 779 83 11ms 3 Oct 2024 322nd m-tkach 🇺🇦 779 131 2ms 4 Oct 2024 323rd bizy-coder 778 74 469ms 1 Oct 2024 323rd m-tkach 🇺🇦 778 74 456ms 3 Oct 2024 325th Shanethegamer 🇺🇸 778 120 482ms 24 Sep 2025 326th uttumuttu 🇫🇮 777 83 13ms 1 Oct 2024 326th KatieLG 🇬🇧 777 83 10ms 1 Oct 2024 326th Larento 777 83 9ms 4 Nov 2024 326th Andrey-Plotnikov 777 83 10ms 13 Jan 2025 326th nathanadams 🇳🇿 777 83 10ms 6 Oct 2025 331st adriweb 🇫🇷 777 102 1ms 5 Oct 2024 332nd sean-niemann 🇺🇸 777 105 461ms 1 Oct 2024 333rd AlephSquirrel 776 124 7ms 21 Oct 2024 334th Natanaelel 🇸🇪 775 143 145ms 20 Apr 2025 335th sisyphus-ppcg 🇦🇺 773 62 36ms 3 Oct 2024 336th DialFrost 🇸🇬 773 90 2ms 18 Nov 2025 337th DialFrost 🇸🇬 772 121 557ms 24 Sep 2025 338th emgordon154 771 197 1,641ms 15 days ago 339th AlephSquirrel 770 84 22ms 1 Oct 2024 339th kops-cg 770 84 20ms 22 Feb 2025 339th xnor-gate 770 84 23ms 23 Feb 2025 342nd targrik 770 88 8ms 7 Feb 2025 343rd Waffle3z 770 103 2ms 2 Oct 2024 344th xsot 🇸🇬 770 125 7ms 20 Oct 2024 345th retrohun 769 63 20ms 2 Oct 2024 346th didion0 🇺🇸 768 84 11ms 10 Jan 2025 347th ovs-code 🇩🇪 768 122 164ms 25 Apr 2025 348th albanian-laundromat 🇺🇸 768 159 32ms 8 days ago 349th lifthrasiir 🇰🇷 767 37 2ms 27 Nov 2024 350th dokutan 767 75 392ms 14 Mar 2026 351st MeWhenI 🇻🇦 767 109 389ms 2 Oct 2024 352nd retrohun 766 90 2ms 27 days ago 353rd emplv 🇱🇻 764 76 132ms 29 Oct 2024 354th albanian-laundromat 🇺🇸 763 118 90ms 13 Nov 2025 355th GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 356th inventshah 761 85 22ms 4 Oct 2024 356th Artemis21 🇬🇧 761 85 11ms 10 Jan 2025 356th keelimeguy 🇺🇸 761 85 20ms 14 Jun 2025 359th MeWhenI 🇻🇦 761 89 6ms 2 Oct 2024 360th emgordon154 760 63 38ms 18 Nov 2024 360th SirBogman 🇺🇸 760 63 37ms 19 Jul 2025 362nd DialFrost 🇸🇬 759 76 802ms 30 Aug 2025 363rd weliveinhell 🇭🇹 759 85 11ms 1 Oct 2024 363rd SteRoy 759 85 13ms 13 May 2025 365th AlephSquirrel 757 76 483ms 1 Oct 2024 366th 0xjac 🇨🇭 754 158 321ms 17 Jun 2025 367th MeWhenI 🇻🇦 754 162 26ms 2 Oct 2024 368th GrayJoKing 🇦🇺 753 90 5ms 1 Oct 2024 369th stackofbears 750 52 34ms 14 Mar 2025 370th DialFrost 🇸🇬 750 75 764ms 10 Oct 2024 371st Maznek 750 86 10ms 4 Oct 2024 372nd MeWhenI 🇻🇦 750 89 2,339ms 24 Oct 2024 373rd luuumine 🇫🇷 749 92 1ms 5 Dec 2025 373rd bzd7 749 92 2ms 7 Dec 2025 375th sean-niemann 🇺🇸 749 116 449ms 24 Oct 2024 375th luuumine 🇫🇷 749 116 414ms 15 Dec 2025 377th MeWhenI 🇻🇦 749 203 1,659ms 12 days ago 378th Shanethegamer 🇺🇸 748 64 38ms 3 Oct 2024 378th Andriamanitra 🇫🇮 748 64 37ms 5 Oct 2024 380th MeWhenI 🇻🇦 748 106 1ms 2 Oct 2024 381st rak1507 🇬🇧 747 38 2ms 30 Dec 2024 382nd Babafaba 747 77 417ms 11 Nov 2025 383rd sean-niemann 🇺🇸 747 93 107ms 24 Oct 2024 384th Natanaelel 🇸🇪 746 53 3ms 10 Jan 2026 385th Shanethegamer 🇺🇸 746 114 24ms 16 days ago 386th Shanethegamer 🇺🇸 744 121 89ms 3 Oct 2024 387th SirBogman 🇺🇸 743 63 274ms 23 Jul 2025 388th JOrE20 743 87 20ms 21 Feb 2026 389th MeWhenI 🇻🇦 742 110 124ms 38 hours ago 390th KrausRaus 🇺🇸 741 87 10ms 1 Oct 2024 390th GeorgeStechman 🇬🇧 741 87 13ms 24 Oct 2024 390th coreynash 741 87 10ms 13 Feb 2025 390th kirjavascript 741 87 10ms 22 Jul 2025 394th Shanethegamer 🇺🇸 741 90 2,524ms 28 Oct 2024 394th ScottHamper 741 90 2,629ms 11 Dec 2025 396th sean-niemann 🇺🇸 741 93 1ms 24 Oct 2024 397th HumanoidCPU 738 78 450ms 7 Mar 2025 398th kg583 🇺🇸 737 156 37ms 15 Mar 2026 399th stefangimmillaro 736 92 8ms 2 Oct 2024 399th Shanethegamer 🇺🇸 736 92 5ms 3 Oct 2024 First Prev 301–400 of 947 Next Last