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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Hilbert Curve 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 676th Mabeloid 🇳🇴 484 145 2 Oct 2024 677th Vaekor 482 165 15 Dec 2024 678th alphafalfa 479 92 8 Nov 2024 679th h-hh-hhh 🇺🇦 477 147 2 Nov 2024 680th mitzal 477 180 9 Feb 2025 681st ravnskjaer 🇩🇰 474 195 20 Dec 2024 682nd MiffOttah 473 150 6 Oct 2024 683rd JesseNoEyes 🇺🇸 471 169 1 Oct 2024 684th Maximizer02 471 201 1 Oct 2024 685th iczelia 🇩🇪 469 94 9 days ago 686th ejini6969 468 102 14 Jun 2025 687th zyc-2024 🇨🇳 468 170 5 Oct 2024 688th luca1339 467 198 4 Nov 2024 689th ComputerKWasTaken 🇺🇸 465 171 14 Oct 2024 690th Yewzir 🇧🇪 460 171 26 Dec 2024 691st navier-1 460 173 10 days ago 692nd madex 🇩🇪 459 104 2 Oct 2024 693rd Jacob385 457 202 2 Oct 2024 694th clayboll99 452 176 10 Jul 2025 695th dokutan 451 63 26 Nov 2024 696th Upload-and-View 🇺🇦 450 177 9 Aug 2025 697th IISResetMe 449 104 27 Mar 2025 698th varhammer 🇷🇺 448 223 23 Feb 2025 699th OSYCh314 🇦🇺 447 178 2 Nov 2024 700th dokutan 445 109 19 Oct 2024 701st grey0ut 444 105 11 Jan 2025 702nd calum12345 442 180 26 Mar 2025 703rd MyXoToD 🇩🇪 440 146 26 May 2025 704th zt14427 437 182 27 Dec 2024 705th IoLimmer 435 183 10 Oct 2024 706th KatieLG 🇬🇧 432 183 79 mins ago 707th aksyristos 432 184 15 Nov 2024 708th KatieLG 🇬🇧 431 108 13 Oct 2024 709th estomagordo 🇳🇱 428 186 15 Jul 2025 710th dokutan 424 132 3 Oct 2024 711th MeWhenI 🇻🇦 417 143 2 Oct 2024 712th CheeseCake628 🇳🇴 413 160 19 May 2025 713th dieggsy 405 247 10 Oct 2024 714th Mabeloid 🇳🇴 404 159 12 Oct 2024 715th Ralac07 🇦🇺 397 162 3 Oct 2024 716th Arkadios200 397 204 11 days ago 717th snoozingnewt 🇺🇸 383 176 2 Oct 2024 717th fischfood 383 176 22 Oct 2024 719th c0d3-4-F00d 🇩🇪 381 184 9 Jan 2025 720th ehulinsky 🇺🇸 378 158 2 Apr 2025 721st RobGLambert 370 232 8 Jun 2025 722nd RedzGoose 🇦🇺 369 187 2 Oct 2024 723rd P1nk-P0nk 367 215 18 Oct 2024 724th gautambp 365 218 24 Jun 2025 725th sciencejiho 356 197 11 Feb 2025 726th The-Wolfson 352 230 16 Dec 2024 727th Zhenyu-Bo 349 228 30 Jul 2025 728th EthanJantz 346 230 27 days ago 729th RobGLambert 340 273 8 Jun 2025 730th Ernest1338 338 275 26 Oct 2024 731st noahhorlacher 337 191 7 Dec 2024 732nd RobertBurs 336 237 10 days ago 733rd te-chnical 308 258 4 May 2025 734th KatieLG 🇬🇧 296 290 28 hours ago 735th KatieLG 🇬🇧 291 241 28 hours ago 736th ReterikHub 277 310 17 Jan 2025 737th Mikey-Beep 🇬🇧 273 349 12 Aug 2025 738th MeWhenI 🇻🇦 270 407 6 Oct 2024 739th arebbsba 269 296 9 Jan 2025 740th Msleizak 🇫🇷 206 226 19 May 2025 741st AidanWalter 147 540 1 Jan 2025 742nd bignamehyp 119 667 14 Nov 2024 743rd vkptimon 119 776 9 Jul 2025 744th dokutan 60 2,475 18 Aug 2025 745th lyphyser 0 15 25 May 2025 746th 2bular 0 16 22 Mar 2025 747th darrenks 0 17 22 Mar 2025 748th Natanaelel 🇸🇪 0 18 23 Mar 2025 749th plcc0 0 21 4 Apr 2025 750th kg583 🇺🇸 0 25 8 Feb 2025 Prev 676–750 of 765 Next
