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 fourth-bit 613 105 1 Oct 2024 451st jared-hughes 613 105 3 Oct 2024 451st mattyhempstead 613 105 7 Oct 2024 454th Schmitt-Very-Cool 613 189 3 Feb 2025 455th olleicua 🇺🇸 611 78 18 Oct 2024 456th emgordon154 609 156 13 Dec 2024 457th davecame 607 106 1 Oct 2024 457th starfihs 607 106 2 Oct 2024 457th rschwa6308 🇺🇸 607 106 28 Oct 2024 457th snydej 607 106 21 Nov 2024 461st bac0id 606 141 10 Jan 2025 462nd Seanharrs 605 117 15 Nov 2024 463rd Shanethegamer 🇺🇸 604 217 4 Oct 2024 464th Shanethegamer 🇺🇸 603 154 3 Oct 2024 465th alemelis 602 93 1 Oct 2024 466th commandblockguy 🇺🇸 601 107 7 Oct 2024 466th zbreit 🇺🇸 601 107 29 Oct 2024 466th StardustGogeta 601 107 30 Oct 2024 466th ZakkkkAttackkkk 🇵🇭 601 107 8 Feb 2025 470th MeWhenI 🇻🇦 600 73 2 Oct 2024 471st MeWhenI 🇻🇦 597 98 1 Oct 2024 472nd roguh 🇬🇹 597 117 13 Oct 2024 473rd neihousaigaai 596 108 4 Oct 2024 473rd StefanHabel 🇨🇦 596 108 23 Jan 2025 475th dokutan 596 117 3 Oct 2024 476th ravnskjaer 🇩🇰 594 195 20 Dec 2024 477th arcpolaris 590 120 28 Jan 2025 478th edsrzf 🇳🇿 588 113 26 Oct 2024 479th bac0id 587 119 10 Jan 2025 480th DialFrost 🇸🇬 585 67 25 Jan 2025 481st CaedenHarper 🇨🇦 585 110 9 Oct 2024 481st cros107 585 110 1 Jan 2025 481st guilhem-roy 🇫🇷 585 110 15 days ago 484th luca1339 585 198 4 Nov 2024 485th dokutan 584 174 21 Feb 2025 486th JunkIce 583 98 3 Dec 2024 487th mousetail 🇳🇱 580 111 6 Oct 2024 488th Trip-kun 580 136 5 Oct 2024 489th MeWhenI 🇻🇦 578 111 2 Oct 2024 490th MeWhenI 🇻🇦 576 331 2 Oct 2024 491st OllieBoyne 🇬🇧 575 112 17 Oct 2024 491st WillConker 575 112 22 Oct 2024 491st maxgodfrey2004 🇨🇦 575 112 4 Jan 2025 494th Jacob385 574 202 2 Oct 2024 495th KatieLG 🇬🇧 572 99 1 Oct 2024 496th 823126 572 112 13 Nov 2024 497th emgordon154 568 44 1 Oct 2024 498th MeWhenI 🇻🇦 567 164 6 Oct 2024 499th KatieLG 🇬🇧 561 85 12 Jan 2025 500th jipsong 🇩🇪 560 115 12 May 2025 501st aliakseikalosha 557 127 10 Oct 2024 502nd rowechenzhong 555 116 17 Oct 2024 503rd MeWhenI 🇻🇦 554 290 2 Oct 2024 504th JDiLenarda 🇫🇷 553 165 1 Oct 2024 505th madex 🇩🇪 552 116 1 Oct 2024 506th edsrzf 🇳🇿 551 135 27 Feb 2025 507th dtbao20 🇻🇳 550 117 1 Oct 2024 507th Pyroan 550 117 22 Feb 2025 507th andrewjc2000 550 117 6 May 2025 510th msbranicky 550 185 20 Jan 2025 511th mousetail 🇳🇱 547 94 3 Oct 2024 512th emgordon154 546 52 3 Nov 2024 513th mousetail 🇳🇱 546 128 3 Oct 2024 514th elgan65536 545 118 2 Oct 2024 514th logvp 545 118 6 Oct 2024 514th ahmetdemirag 🇨🇾 545 118 6 Feb 2025 517th zakariamouhid 543 118 1 Oct 2024 518th xyangst 543 171 1 Oct 2024 519th jtaxen 541 119 21 Oct 2024 519th psbpsbp 541 119 19 Dec 2024 519th klixel 🇨🇦 541 119 9 Apr 2025 522nd najs91 540 131 15 Oct 2024 522nd bac0id 540 131 9 Jan 2025 524th eranws 538 119 23 Dec 2024 525th TaserTheFox 🇺🇸 536 120 8 Oct 2024 Prev 451–525 of 678 Next