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 881st gautambp 297 218 11ms 24 Jun 2025 882nd jusaka 289 275 2ms 6 hours ago 883rd kasarino 287 240 2ms 8 Feb 2026 884th KatieLG 🇬🇧 286 241 2ms 1 Oct 2025 885th Zhenyu-Bo 284 228 11ms 30 Jul 2025 886th fantaize 284 330 201ms 10 Mar 2026 887th EthanJantz 281 230 12ms 5 Sep 2025 888th ReterikHub 281 310 210ms 17 Jan 2025 889th jusaka 276 234 108ms 4 hours ago 890th jusaka 275 243 2,488ms 4 hours ago 891st jusaka 275 435 391ms 4 hours ago 892nd RobertBurs 273 237 11ms 22 Sep 2025 893rd Mikey-Beep 🇬🇧 273 349 16ms 12 Aug 2025 894th MeWhenI 🇻🇦 272 407 119ms 6 Oct 2024 895th TJK-S 268 241 12ms 25 Oct 2025 895th NoneTheFewer 268 241 11ms 25 Dec 2025 897th jusaka 261 205 10ms 21 mins ago 898th kasarino 258 373 44ms 8 Feb 2026 899th jusaka 254 271 3ms 4 hours ago 900th te-chnical 251 258 222ms 4 May 2025 901st jusaka 249 336 399ms 3 hours ago 902nd jusaka 243 421 4ms 2 hours ago 903rd jusaka 242 507 29ms 2 hours ago 904th jusaka 239 309 204ms 2 hours ago 905th jusaka 233 388 110ms 4 hours ago 906th jusaka 230 309 5ms 62 mins ago 907th jusaka 227 361 148ms 4 hours ago 908th jusaka 224 254 1,457ms 3 hours ago 909th arebbsba 218 296 10ms 9 Jan 2025 910th kasarino 216 299 11ms 8 Feb 2026 911th jusaka 216 446 25ms 77 mins ago 912th jusaka 213 225 38ms 6 hours ago 913th jusaka 211 390 188ms 3 hours ago 914th Msleizak 🇫🇷 206 226 260ms 19 May 2025 915th benanlam 202 320 12ms 21 Dec 2025 916th jusaka 199 556 29ms 3 hours ago 917th jusaka 199 575 45ms 77 mins ago 918th jusaka 194 467 1,371ms 4 hours ago 919th jusaka 192 488 224ms 4 hours ago 920th jusaka 185 366 6ms 4 hours ago 921st jusaka 184 307 249ms 3 hours ago 922nd jusaka 180 387 139ms 4 hours ago 923rd jusaka 177 365 11ms 7 hours ago 924th jusaka 172 337 1,983ms 3 hours ago 925th jusaka 172 450 131ms 3 hours ago 926th jusaka 170 512 1,466ms 4 hours ago 927th jusaka 169 985 1,436ms 2 hours ago 928th jusaka 161 246 4ms 6 hours ago 929th jusaka 156 244 140ms 70 mins ago 930th theEsteemed 154 606 407ms 20 Jan 2026 931st jusaka 146 744 46ms 2 hours ago 932nd jusaka 141 568 13ms 3 hours ago 933rd AidanWalter 120 540 11ms 1 Jan 2025 934th vkptimon 120 776 422ms 9 Jul 2025 935th bignamehyp 97 667 11ms 14 Nov 2024 936th dokutan 60 2,474 116ms 18 Aug 2025 937th iczelia 🇩🇪 52 2,045 4ms 14 Oct 2025 938th lyphyser 0 15 32ms 25 May 2025 938th 2bular 0 15 34ms 14 Feb 2026 938th Natanaelel 🇸🇪 0 15 34ms 17 Feb 2026 941st namelessiw 0 16 141ms 19 Nov 2025 941st darrenks 🇺🇸 0 16 33ms 14 Feb 2026 943rd lyxal 🇦🇺 0 18 848ms 17 May 2025 943rd themoonisacheese 0 18 874ms 13 Jun 2025 943rd plcc0 0 18 35ms 14 Feb 2026 946th kg583 🇺🇸 0 20 267ms 14 May 2025 946th jshholland 0 20 836ms 19 Feb 2026 948th plcc0 0 30 97ms 31 Jan 2026 949th ovs-code 🇩🇪 0 37 2ms 13 Jul 2025 950th maweowo 🇩🇪 0 39 4ms 2 Oct 2025 951st ovs-code 🇩🇪 0 40 5ms 9 Jul 2025 952nd AlephSquirrel 0 43 3ms 15 Jun 2025 952nd commandz0 🇺🇸 0 43 4ms 10 Jan 2026 954th evnu 0 44 5ms 12 Oct 2025 955th NicoBliss 0 47 9ms 11 Jan 2026 956th ovs-code 🇩🇪 0 51 15ms 13 Jun 2025 957th GrayJoKing 🇦🇺 0 55 3ms 13 Jul 2025 958th KatieLG 🇬🇧 0 56 4ms 10 Jan 2026 959th chunes3 🇺🇸 0 65 7ms 13 Feb 2025 960th DialFrost 🇸🇬 0 66 11ms 4 Dec 2025 First Prev 881–960 of 971 Next Last