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 CaedenHarper 🇨🇦 604 109 9 Oct 2024 527th Shanethegamer 🇺🇸 604 217 4 Oct 2024 528th Shanethegamer 🇺🇸 603 154 3 Oct 2024 529th MeWhenI 🇻🇦 602 73 2 Oct 2024 530th alemelis 602 93 1 Oct 2024 531st kaascevich 601 134 2 days ago 532nd MeWhenI 🇻🇦 597 98 1 Oct 2024 533rd roguh 🇬🇹 597 117 13 Oct 2024 534th Mabeloid 🇳🇴 597 133 2 Oct 2024 534th Emutis 🇱🇹 597 133 4 Feb 2025 536th dokutan 597 159 19 Oct 2024 537th ravnskjaer 🇩🇰 597 195 20 Dec 2024 538th dokutan 596 117 3 Oct 2024 539th SirBogman 🇺🇸 591 64 11 hours ago 540th albanian-laundromat 591 161 5 days ago 541st arcpolaris 590 120 28 Jan 2025 542nd tatzyr 🇯🇵 588 81 23 Dec 2024 543rd luca1339 588 198 4 Nov 2024 544th bac0id 587 119 10 Jan 2025 545th DialFrost 🇸🇬 585 67 25 Jan 2025 546th sciencedjinn 584 136 8 Nov 2024 546th ihatethefrench 584 136 4 Jan 2025 548th dokutan 584 174 21 Feb 2025 549th olleicua 🇺🇸 581 82 18 Oct 2024 550th Trip-kun 580 136 5 Oct 2024 551st kurkale6ka 580 137 16 Oct 2024 551st 4ndyJ 🇬🇧 580 137 14 Nov 2024 553rd BREMAUCY 🇫🇷 576 138 2 Oct 2024 554th Jacob385 576 202 2 Oct 2024 555th MeWhenI 🇻🇦 576 331 2 Oct 2024 556th 823126 573 112 13 Nov 2024 556th dokutan 573 112 19 days ago 558th KatieLG 🇬🇧 572 99 1 Oct 2024 559th scpchicken 🇵🇼 571 139 6 Oct 2024 560th emgordon154 568 44 1 Oct 2024 561st NanduBC 567 140 1 Oct 2024 561st Mikey-Beep 🇬🇧 567 140 7 Oct 2024 561st jmerle 🇳🇱 567 140 10 Jan 2025 561st RobertHoeh 567 140 3 Mar 2025 561st smilesformiles3 567 140 12 Jun 2025 561st artem-aramma 567 140 23 days ago 567th MeWhenI 🇻🇦 567 164 6 Oct 2024 568th FranklinJiaChen 563 141 2 Oct 2024 569th KatieLG 🇬🇧 561 85 12 Jan 2025 570th brimstonetrader 559 142 17 Oct 2024 570th snoozingnewt 🇺🇸 559 142 31 Mar 2025 570th codewrite 🇬🇧 559 142 5 May 2025 570th RobGLambert 559 142 8 Jun 2025 574th aliakseikalosha 557 127 10 Oct 2024 575th GeneralFabian 555 143 9 Dec 2024 575th CutSandstone 555 143 30 Jan 2025 575th kistlerf 🇨🇭 555 143 19 May 2025 578th MeWhenI 🇻🇦 554 290 2 Oct 2024 579th madex 🇩🇪 553 116 1 Oct 2024 580th JDiLenarda 🇫🇷 553 165 1 Oct 2024 581st hiichbindermax 552 144 2 Oct 2024 581st mathisfun271 552 144 14 Oct 2024 581st bob-th 552 144 22 Oct 2024 584th edsrzf 🇳🇿 551 135 27 Feb 2025 585th msbranicky 550 185 20 Jan 2025 586th KatieLG 🇬🇧 548 120 1 Oct 2024 587th JunkIce 548 145 3 Dec 2024 587th Flekay 🇩🇪 548 145 32 hours ago 589th mousetail 🇳🇱 547 94 3 Oct 2024 590th emgordon154 546 52 3 Nov 2024 591st mousetail 🇳🇱 546 128 3 Oct 2024 592nd zakariamouhid 544 118 1 Oct 2024 593rd croc54 544 146 15 Dec 2024 594th xyangst 543 171 1 Oct 2024 595th najs91 540 131 15 Oct 2024 595th bac0id 540 131 9 Jan 2025 597th PyryL 🇫🇮 540 147 1 Mar 2025 598th eranws 539 119 23 Dec 2024 599th dokutan 539 122 19 Oct 2024 600th mbittner20 537 148 13 Oct 2024 Prev 526–600 of 713 Next