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 KatieLG 🇬🇧 300 290 2,606ms 1 Oct 2025 882nd gautambp 297 218 11ms 24 Jun 2025 883rd jusaka 289 275 2ms 8 hours ago 884th kasarino 287 240 2ms 8 Feb 2026 885th KatieLG 🇬🇧 286 241 2ms 1 Oct 2025 886th Zhenyu-Bo 284 228 11ms 30 Jul 2025 887th fantaize 284 330 201ms 10 Mar 2026 888th EthanJantz 281 230 12ms 5 Sep 2025 889th ReterikHub 281 310 210ms 17 Jan 2025 890th jusaka 276 234 108ms 6 hours ago 891st jusaka 275 243 2,488ms 6 hours ago 892nd jusaka 275 435 391ms 6 hours ago 893rd RobertBurs 273 237 11ms 22 Sep 2025 894th Mikey-Beep 🇬🇧 273 349 16ms 12 Aug 2025 895th MeWhenI 🇻🇦 272 407 119ms 6 Oct 2024 896th TJK-S 268 241 12ms 25 Oct 2025 896th NoneTheFewer 268 241 11ms 25 Dec 2025 898th jusaka 261 205 10ms 2 hours ago 899th kasarino 260 373 44ms 8 Feb 2026 900th jusaka 254 271 3ms 6 hours ago 901st te-chnical 251 258 222ms 4 May 2025 902nd jusaka 249 336 399ms 5 hours ago 903rd jusaka 243 421 4ms 4 hours ago 904th jusaka 242 507 29ms 4 hours ago 905th jusaka 239 309 204ms 4 hours ago 906th jusaka 233 388 110ms 6 hours ago 907th jusaka 230 309 5ms 2 hours ago 908th jusaka 227 361 148ms 6 hours ago 909th jusaka 224 254 1,457ms 5 hours ago 910th arebbsba 218 296 10ms 9 Jan 2025 911th kasarino 216 299 11ms 8 Feb 2026 912th jusaka 216 446 25ms 3 hours ago 913th jusaka 213 225 38ms 8 hours ago 914th jusaka 211 390 188ms 5 hours ago 915th jusaka 207 189 34ms 8 mins ago 916th Msleizak 🇫🇷 206 226 262ms 19 May 2025 917th benanlam 202 320 12ms 21 Dec 2025 918th jusaka 199 556 29ms 5 hours ago 919th jusaka 199 575 45ms 3 hours ago 920th jusaka 194 467 1,371ms 5 hours ago 921st jusaka 192 488 224ms 6 hours ago 922nd jusaka 185 366 6ms 6 hours ago 923rd jusaka 184 307 249ms 5 hours ago 924th jusaka 180 387 139ms 6 hours ago 925th jusaka 177 365 11ms 9 hours ago 926th jusaka 172 337 1,983ms 5 hours ago 927th jusaka 172 450 131ms 5 hours ago 928th jusaka 170 512 1,466ms 6 hours ago 929th jusaka 169 985 1,436ms 4 hours ago 930th jusaka 161 246 4ms 8 hours ago 931st jusaka 156 244 140ms 3 hours ago 932nd theEsteemed 154 606 407ms 20 Jan 2026 933rd jusaka 146 744 46ms 4 hours ago 934th jusaka 141 568 13ms 5 hours ago 935th AidanWalter 120 540 11ms 1 Jan 2025 936th vkptimon 120 776 422ms 9 Jul 2025 937th jusaka 116 643 8ms 109 mins ago 938th bignamehyp 97 667 11ms 14 Nov 2024 939th dokutan 60 2,474 120ms 18 Aug 2025 940th iczelia 🇩🇪 52 2,045 4ms 14 Oct 2025 941st lyphyser 0 15 32ms 25 May 2025 941st 2bular 0 15 34ms 14 Feb 2026 941st Natanaelel 🇸🇪 0 15 34ms 17 Feb 2026 944th namelessiw 0 16 141ms 19 Nov 2025 944th darrenks 🇺🇸 0 16 33ms 14 Feb 2026 946th lyxal 🇦🇺 0 18 848ms 17 May 2025 946th themoonisacheese 0 18 874ms 13 Jun 2025 946th plcc0 0 18 35ms 14 Feb 2026 949th kg583 🇺🇸 0 20 267ms 14 May 2025 949th jshholland 0 20 836ms 19 Feb 2026 951st plcc0 0 30 97ms 31 Jan 2026 952nd ovs-code 🇩🇪 0 37 2ms 13 Jul 2025 953rd maweowo 🇩🇪 0 39 4ms 2 Oct 2025 954th ovs-code 🇩🇪 0 40 5ms 9 Jul 2025 955th AlephSquirrel 0 43 3ms 15 Jun 2025 955th commandz0 🇺🇸 0 43 4ms 10 Jan 2026 957th evnu 0 44 5ms 12 Oct 2025 958th NicoBliss 0 47 9ms 11 Jan 2026 959th ovs-code 🇩🇪 0 51 15ms 13 Jun 2025 960th GrayJoKing 🇦🇺 0 55 3ms 13 Jul 2025 First Prev 881–960 of 975 Next Last