Card Number Validation in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 801st croc54 443 146 11ms 15 Dec 2024 802nd MyXoToD 🇩🇪 442 146 11ms 26 May 2025 803rd Yewzir 🇧🇪 442 171 12ms 26 Dec 2024 804th PyryL 🇫🇮 440 147 11ms 1 Mar 2025 805th mbittner20 437 148 10ms 13 Oct 2024 805th YAJUE114514 437 148 10ms 12 Dec 2025 807th psaban 434 149 18ms 31 Jul 2025 807th TheZwierzLF 🇵🇱 434 149 11ms 24 Nov 2025 807th RodAlc24 🇪🇸 434 149 18ms 22 Feb 2026 810th dokutan 433 130 304ms 17 Oct 2024 811th Mabeloid 🇳🇴 433 133 572ms 2 Oct 2024 812th KatieLG 🇬🇧 433 183 2ms 2 Oct 2025 813th snoozingnewt 🇨🇦 432 111 34ms 2 Nov 2025 814th KatieLG 🇬🇧 431 108 6ms 13 Oct 2024 815th jameswmccarty 431 150 11ms 5 Oct 2024 815th yousefalizadeh 431 150 11ms 23 Oct 2024 815th feherd 431 150 10ms 31 Oct 2024 815th kadamkaustubh 431 150 11ms 8 Nov 2025 819th varhammer 431 223 12ms 23 Feb 2025 820th Arkadios200 430 190 111ms 3 days ago 821st adamnielson42 🇺🇸 425 152 10ms 6 Oct 2024 821st voidgloom 425 152 11ms 22 Oct 2024 821st omero-san 425 152 10ms 22 Sep 2025 821st brochmann 🇸🇪 425 152 10ms 12 Oct 2025 825th JOrE20 424 136 1,075ms 7 Dec 2025 826th MeWhenI 🇻🇦 424 143 6ms 2 Oct 2024 827th denisfouchard 423 153 10ms 21 Aug 2025 828th osNiko 🇧🇷 420 154 11ms 21 Aug 2025 829th scpchicken 🇵🇼 418 91 160ms 7 days ago 830th celiendonze 🇨🇭 417 155 11ms 17 Oct 2025 831st Shotokhan 414 156 10ms 21 Sep 2025 832nd lhulinsky 412 157 11ms 21 Oct 2024 833rd snoozingnewt 🇨🇦 411 267 28ms 18 Dec 2025 834th ellis-rix 409 158 11ms 9 Dec 2024 835th webmiche 407 159 11ms 3 Nov 2025 836th Mabeloid 🇳🇴 406 159 14ms 12 Oct 2024 837th CheeseCake628 🇳🇴 404 160 108ms 5 Nov 2024 838th snoozingnewt 🇨🇦 404 223 96ms 2 Nov 2025 839th pres-abhisheksinha 402 161 10ms 8 Oct 2024 840th aksyristos 401 172 2ms 23 Nov 2025 841st ibixina 399 162 10ms 13 Oct 2024 841st TheAtrossian 399 162 13ms 5 Jan 2025 843rd Ralac07 🇦🇺 398 162 11ms 3 Oct 2024 844th Maximizer02 396 201 12ms 1 Oct 2024 845th Vaekor 392 165 11ms 15 Dec 2024 846th snoozingnewt 🇨🇦 392 276 40ms 6 Dec 2025 847th dieggsy 389 247 19ms 10 Oct 2024 848th fischfood 385 176 6ms 22 Oct 2024 849th JOrE20 385 191 157ms 27 Jan 2026 850th ehulinsky 🇺🇸 384 158 5ms 2 Apr 2025 851st JesseNoEyes 🇺🇸 383 169 10ms 1 Oct 2024 852nd CheeseCake628 🇳🇴 381 151 532ms 18 Oct 2025 853rd zyc-2024 🇨🇳 380 170 10ms 5 Oct 2024 854th ComputerKWasTaken 🇺🇸 378 171 11ms 14 Oct 2024 855th c0d3-4-F00d 🇩🇪 375 184 2ms 9 Jan 2025 856th KatieLG 🇬🇧 375 218 112ms 21 Nov 2025 857th RobGLambert 375 232 1,395ms 8 Jun 2025 858th navier-1 374 173 10ms 22 Sep 2025 859th RedzGoose 🇦🇺 371 187 109ms 2 Oct 2024 860th P1nk-P0nk 369 215 3ms 18 Oct 2024 861st clayboll99 367 176 11ms 10 Jul 2025 862nd muser-logiccpu 🇺🇦 365 177 18ms 9 Aug 2025 863rd snoozingnewt 🇨🇦 364 313 40ms 2 Nov 2025 864th OSYCh314 🇦🇺 363 178 11ms 2 Nov 2024 865th snoozingnewt 🇨🇦 360 267 13ms 2 Nov 2025 866th calum12345 359 180 11ms 26 Mar 2025 867th zt14427 355 182 10ms 27 Dec 2024 868th The-Wolfson 355 230 110ms 16 Dec 2024 869th IoLimmer 353 183 11ms 10 Oct 2024 870th sciencejiho 350 197 2ms 11 Feb 2025 871st estomagordo 🇳🇱 348 186 11ms 15 Jul 2025 872nd RobGLambert 344 273 198ms 8 Jun 2025 873rd Ernest1338 341 275 297ms 26 Oct 2024 874th noahhorlacher 338 191 10ms 7 Dec 2024 875th Inbarw100 333 207 2ms 8 days ago 876th ComradeSquirrel 323 200 11ms 12 days ago 877th JOrE20 314 389 56ms 4 Dec 2025 878th snoozingnewt 🇨🇦 303 200 4ms 2 Nov 2025 879th KatieLG 🇬🇧 300 290 2,606ms 1 Oct 2025 880th gautambp 297 218 11ms 24 Jun 2025 First Prev 801–880 of 933 Next Last