Card Number Validation 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st olleicua 🇺🇸 611 78 18 Oct 2024 452nd emgordon154 609 156 13 Dec 2024 453rd davecame 607 106 1 Oct 2024 453rd starfihs 607 106 2 Oct 2024 453rd rschwa6308 🇺🇸 607 106 28 Oct 2024 453rd snydej 607 106 21 Nov 2024 457th Seanharrs 605 117 15 Nov 2024 458th bac0id 605 141 10 Jan 2025 459th Shanethegamer 🇺🇸 604 217 4 Oct 2024 460th alemelis 602 93 1 Oct 2024 461st Shanethegamer 🇺🇸 602 154 3 Oct 2024 462nd commandblockguy 🇺🇸 601 107 7 Oct 2024 462nd zbreit 🇺🇸 601 107 29 Oct 2024 462nd StardustGogeta 601 107 30 Oct 2024 462nd ZakkkkAttackkkk 🇵🇭 601 107 8 Feb 2025 466th MeWhenI 🇻🇦 600 73 2 Oct 2024 467th MeWhenI 🇻🇦 597 98 1 Oct 2024 468th roguh 🇬🇹 597 117 13 Oct 2024 469th neihousaigaai 596 108 4 Oct 2024 469th StefanHabel 🇨🇦 596 108 23 Jan 2025 471st dokutan 596 117 3 Oct 2024 472nd ravnskjaer 🇩🇰 594 195 20 Dec 2024 473rd arcpolaris 590 120 28 Jan 2025 474th edsrzf 🇳🇿 588 113 26 Oct 2024 475th bac0id 587 119 10 Jan 2025 476th DialFrost 🇸🇬 585 67 25 Jan 2025 477th CaedenHarper 🇨🇦 585 110 9 Oct 2024 477th cros107 585 110 1 Jan 2025 477th guilhem-roy 🇫🇷 585 110 7 days ago 480th luca1339 585 198 4 Nov 2024 481st JunkIce 583 98 3 Dec 2024 482nd dokutan 582 174 21 Feb 2025 483rd mousetail 🇳🇱 580 111 6 Oct 2024 484th Trip-kun 580 136 5 Oct 2024 485th MeWhenI 🇻🇦 578 111 2 Oct 2024 486th MeWhenI 🇻🇦 576 331 2 Oct 2024 487th OllieBoyne 🇬🇧 574 112 17 Oct 2024 487th WillConker 574 112 22 Oct 2024 487th maxgodfrey2004 🇨🇦 574 112 4 Jan 2025 490th Jacob385 574 202 2 Oct 2024 491st KatieLG 🇬🇧 572 99 1 Oct 2024 492nd 823126 572 112 13 Nov 2024 493rd emgordon154 568 44 1 Oct 2024 494th MeWhenI 🇻🇦 565 164 6 Oct 2024 495th KatieLG 🇬🇧 560 85 12 Jan 2025 496th jipsong 🇩🇪 559 115 24 days ago 497th aliakseikalosha 557 127 10 Oct 2024 498th rowechenzhong 555 116 17 Oct 2024 499th MeWhenI 🇻🇦 554 290 2 Oct 2024 500th JDiLenarda 🇫🇷 553 165 1 Oct 2024 501st madex 🇩🇪 552 116 1 Oct 2024 502nd edsrzf 🇳🇿 551 135 27 Feb 2025 503rd dtbao20 🇻🇳 550 117 1 Oct 2024 503rd Pyroan 550 117 22 Feb 2025 503rd andrewjc2000 550 117 6 May 2025 506th mousetail 🇳🇱 547 94 3 Oct 2024 507th msbranicky 547 185 20 Jan 2025 508th emgordon154 546 52 3 Nov 2024 509th mousetail 🇳🇱 546 128 3 Oct 2024 510th elgan65536 545 118 2 Oct 2024 510th logvp 545 118 6 Oct 2024 510th ahmetdemirag 🇨🇾 545 118 6 Feb 2025 513th zakariamouhid 543 118 1 Oct 2024 514th xyangst 542 171 1 Oct 2024 515th jtaxen 541 119 21 Oct 2024 515th psbpsbp 541 119 19 Dec 2024 515th klixel 🇨🇦 541 119 9 Apr 2025 518th najs91 540 131 15 Oct 2024 518th bac0id 540 131 9 Jan 2025 520th eranws 538 119 23 Dec 2024 521st TaserTheFox 🇺🇸 536 120 8 Oct 2024 521st yokasuretsu 536 120 26 Jan 2025 521st Troon 536 120 17 Feb 2025 524th Sciman101 536 147 26 Mar 2025 525th msbranicky 530 175 13 Dec 2024 Prev 451–525 of 668 Next