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 601st Sciman101 536 147 26 Mar 2025 602nd janAkali 🇷🇺 532 167 8 Oct 2024 603rd msbranicky 531 175 13 Dec 2024 604th deancureton 530 121 30 Dec 2024 605th FlorianCassayre 🇫🇷 530 150 1 Oct 2024 605th jameswmccarty 530 150 5 Oct 2024 605th yousefalizadeh 530 150 23 Oct 2024 605th feherd 530 150 31 Oct 2024 605th RaBa21 530 150 4 May 2025 605th TheZwierzLF 🇵🇱 530 150 17 May 2025 611th msbranicky 527 126 9 Jan 2025 612th adamnielson42 🇺🇸 523 152 6 Oct 2024 612th voidgloom 523 152 22 Oct 2024 614th galloj 🇨🇿 522 112 4 Oct 2024 615th xyangst 519 153 1 Oct 2024 616th sidok 514 109 13 Nov 2024 617th cdesodt 512 155 16 Oct 2024 618th nephila-nacrea 🇬🇧 509 77 2 Oct 2024 619th dokutan 509 143 19 Oct 2024 620th KatieLG 🇬🇧 509 146 2 Oct 2024 621st dokutan 507 126 19 days ago 622nd Chinay-Domitrix 🇺🇸 507 131 30 Mar 2025 623rd KatieLG 🇬🇧 506 140 1 Oct 2024 624th lhulinsky 506 157 21 Oct 2024 625th msbranicky 505 138 3 Oct 2024 626th ThatAlo 503 158 9 Dec 2024 627th albanian-laundromat 499 88 9 days ago 628th MeWhenI 🇻🇦 499 149 4 Oct 2024 629th CheeseCake628 🇳🇴 496 160 5 Nov 2024 630th Mabeloid 🇳🇴 495 133 2 Oct 2024 631st jlangvand 495 141 15 Oct 2024 631st HumanoidCPU 495 141 7 Mar 2025 633rd pres-abhisheksinha 493 161 8 Oct 2024 634th TheRealOhead 🇺🇸 490 131 1 Oct 2024 635th ibixina 490 162 13 Oct 2024 635th TheAtrossian 490 162 5 Jan 2025 637th HumanoidCPU 488 145 5 Oct 2024 638th JunkIce 484 136 3 Dec 2024 639th h-hh-hhh 🇺🇦 484 177 2 Nov 2024 640th Mabeloid 🇳🇴 482 145 2 Oct 2024 641st Vaekor 481 165 15 Dec 2024 642nd snoozingnewt 🇺🇸 480 137 27 Jan 2025 643rd alphafalfa 477 92 8 Nov 2024 644th KatieLG 🇬🇧 476 108 13 Oct 2024 645th mitzal 476 180 9 Feb 2025 646th h-hh-hhh 🇺🇦 475 147 2 Nov 2024 647th MiffOttah 472 150 6 Oct 2024 648th Maximizer02 472 201 1 Oct 2024 649th JesseNoEyes 🇺🇸 470 169 1 Oct 2024 650th ejini6969 467 102 27 days ago 651st zyc-2024 🇨🇳 467 170 5 Oct 2024 651st mossiegoat 467 170 3 days ago 653rd ComputerKWasTaken 🇺🇸 464 171 14 Oct 2024 654th varhammer 🇷🇺 463 223 23 Feb 2025 655th Yewzir 🇧🇪 460 171 26 Dec 2024 656th madex 🇩🇪 458 104 2 Oct 2024 657th dokutan 451 63 26 Nov 2024 658th clayboll99 451 176 29 hours ago 659th IISResetMe 449 104 27 Mar 2025 660th OSYCh314 🇦🇺 446 178 2 Nov 2024 661st dokutan 445 109 19 Oct 2024 662nd grey0ut 444 105 11 Jan 2025 663rd calum12345 441 180 26 Mar 2025 664th MyXoToD 🇩🇪 439 146 26 May 2025 665th zt14427 436 182 27 Dec 2024 666th IoLimmer 434 183 10 Oct 2024 667th aksyristos 432 184 15 Nov 2024 668th dokutan 424 132 3 Oct 2024 669th dieggsy 418 247 10 Oct 2024 670th MeWhenI 🇻🇦 417 143 2 Oct 2024 671st CheeseCake628 🇳🇴 411 160 19 May 2025 672nd Mabeloid 🇳🇴 403 159 12 Oct 2024 673rd Ralac07 🇦🇺 396 162 3 Oct 2024 674th snoozingnewt 🇺🇸 383 176 2 Oct 2024 674th fischfood 383 176 22 Oct 2024 Prev 601–675 of 713 Next