Card Number Validation in all languages in bytes. 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 526th Seanharrs 605 117 15 Nov 2024 527th CaedenHarper 🇨🇦 604 109 9 Oct 2024 528th Shanethegamer 🇺🇸 604 217 4 Oct 2024 529th Shanethegamer 🇺🇸 603 154 3 Oct 2024 530th MeWhenI 🇻🇦 602 73 2 Oct 2024 531st alemelis 602 93 1 Oct 2024 532nd kaascevich 601 134 5 days ago 533rd albanian-laundromat 599 159 2 days ago 534th MeWhenI 🇻🇦 597 98 1 Oct 2024 535th roguh 🇬🇹 597 117 13 Oct 2024 536th Mabeloid 🇳🇴 597 133 2 Oct 2024 536th Emutis 🇱🇹 597 133 4 Feb 2025 538th dokutan 597 159 19 Oct 2024 539th ravnskjaer 🇩🇰 597 195 20 Dec 2024 540th dokutan 596 117 3 Oct 2024 541st SirBogman 🇺🇸 591 64 3 days ago 542nd arcpolaris 590 120 28 Jan 2025 543rd tatzyr 🇯🇵 588 81 23 Dec 2024 544th luca1339 588 198 4 Nov 2024 545th bac0id 587 119 10 Jan 2025 546th DialFrost 🇸🇬 585 67 25 Jan 2025 547th sciencedjinn 584 136 8 Nov 2024 547th ihatethefrench 584 136 4 Jan 2025 549th dokutan 584 174 21 Feb 2025 550th olleicua 🇺🇸 581 82 18 Oct 2024 551st Trip-kun 580 136 5 Oct 2024 552nd kurkale6ka 580 137 16 Oct 2024 552nd 4ndyJ 🇬🇧 580 137 14 Nov 2024 554th BREMAUCY 🇫🇷 576 138 2 Oct 2024 555th Jacob385 576 202 2 Oct 2024 556th MeWhenI 🇻🇦 576 331 2 Oct 2024 557th 823126 573 112 13 Nov 2024 557th dokutan 573 112 22 days ago 559th KatieLG 🇬🇧 572 99 1 Oct 2024 560th scpchicken 🇵🇼 571 139 6 Oct 2024 560th RaBa21 571 139 41 hours ago 562nd emgordon154 568 44 1 Oct 2024 563rd NanduBC 567 140 1 Oct 2024 563rd Mikey-Beep 🇬🇧 567 140 7 Oct 2024 563rd jmerle 🇳🇱 567 140 10 Jan 2025 563rd RobertHoeh 567 140 3 Mar 2025 563rd smilesformiles3 567 140 12 Jun 2025 563rd artem-aramma 567 140 26 days ago 569th MeWhenI 🇻🇦 567 164 6 Oct 2024 570th FranklinJiaChen 563 141 2 Oct 2024 571st KatieLG 🇬🇧 561 85 12 Jan 2025 572nd brimstonetrader 559 142 17 Oct 2024 572nd snoozingnewt 🇺🇸 559 142 31 Mar 2025 572nd codewrite 🇬🇧 559 142 5 May 2025 572nd RobGLambert 559 142 8 Jun 2025 576th aliakseikalosha 557 127 10 Oct 2024 577th GeneralFabian 555 143 9 Dec 2024 577th CutSandstone 555 143 30 Jan 2025 577th kistlerf 🇨🇭 555 143 19 May 2025 580th MeWhenI 🇻🇦 554 290 2 Oct 2024 581st madex 🇩🇪 553 116 1 Oct 2024 582nd JDiLenarda 🇫🇷 553 165 1 Oct 2024 583rd hiichbindermax 552 144 2 Oct 2024 583rd mathisfun271 552 144 14 Oct 2024 583rd bob-th 552 144 22 Oct 2024 586th edsrzf 🇳🇿 551 135 27 Feb 2025 587th msbranicky 550 185 20 Jan 2025 588th KatieLG 🇬🇧 548 120 1 Oct 2024 589th JunkIce 548 145 3 Dec 2024 589th Flekay 🇩🇪 548 145 4 days ago 591st mousetail 🇳🇱 547 94 3 Oct 2024 592nd emgordon154 546 52 3 Nov 2024 593rd mousetail 🇳🇱 546 128 3 Oct 2024 594th zakariamouhid 544 118 1 Oct 2024 595th croc54 544 146 15 Dec 2024 596th xyangst 543 171 1 Oct 2024 597th najs91 540 131 15 Oct 2024 597th bac0id 540 131 9 Jan 2025 599th PyryL 🇫🇮 540 147 1 Mar 2025 600th eranws 539 119 23 Dec 2024 Prev 526–600 of 715 Next