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 JOrE20 316 389 56ms 4 Dec 2025 882nd snoozingnewt 🇨🇦 303 200 4ms 2 Nov 2025 883rd KatieLG 🇬🇧 300 290 2,606ms 1 Oct 2025 884th gautambp 297 218 11ms 24 Jun 2025 885th jusaka 289 275 2ms 16 hours ago 886th kasarino 287 240 2ms 8 Feb 2026 887th KatieLG 🇬🇧 286 241 2ms 1 Oct 2025 888th Zhenyu-Bo 284 228 11ms 30 Jul 2025 889th fantaize 284 330 201ms 10 Mar 2026 890th EthanJantz 281 230 12ms 5 Sep 2025 891st ReterikHub 281 310 210ms 17 Jan 2025 892nd jusaka 276 234 90ms 14 hours ago 893rd jusaka 275 243 2,488ms 14 hours ago 894th jusaka 275 435 347ms 15 hours ago 895th RobertBurs 273 237 11ms 22 Sep 2025 896th Mikey-Beep 🇬🇧 273 349 16ms 12 Aug 2025 897th jusaka 273 425 82ms 4 hours ago 898th MeWhenI 🇻🇦 272 407 119ms 6 Oct 2024 899th TJK-S 268 241 12ms 25 Oct 2025 899th NoneTheFewer 268 241 11ms 25 Dec 2025 901st jusaka 261 205 10ms 10 hours ago 902nd kasarino 260 373 44ms 8 Feb 2026 903rd jusaka 254 271 3ms 15 hours ago 904th te-chnical 251 258 222ms 4 May 2025 905th jusaka 249 336 399ms 14 hours ago 906th jusaka 243 421 4ms 12 hours ago 907th jusaka 242 507 29ms 12 hours ago 908th jusaka 239 309 204ms 13 hours ago 909th jusaka 233 388 90ms 14 hours ago 910th jusaka 230 309 5ms 11 hours ago 911th jusaka 227 361 148ms 14 hours ago 912th jusaka 224 254 1,457ms 13 hours ago 913th arebbsba 218 296 10ms 9 Jan 2025 914th kasarino 216 299 11ms 8 Feb 2026 915th jusaka 216 446 25ms 11 hours ago 916th jusaka 213 225 38ms 17 hours ago 917th jusaka 211 390 188ms 13 hours ago 918th jusaka 208 280 153ms 20 mins ago 919th jusaka 207 189 34ms 8 hours ago 920th Msleizak 🇫🇷 206 226 262ms 19 May 2025 921st benanlam 202 320 12ms 21 Dec 2025 922nd jusaka 199 556 29ms 13 hours ago 923rd jusaka 199 575 45ms 11 hours ago 924th jusaka 194 467 1,371ms 14 hours ago 925th jusaka 192 488 224ms 15 hours ago 926th jusaka 186 449 8ms 20 mins ago 927th jusaka 185 366 6ms 14 hours ago 928th jusaka 184 307 249ms 14 hours ago 929th jusaka 180 387 110ms 14 hours ago 930th jusaka 177 365 11ms 17 hours ago 931st jusaka 172 337 1,983ms 13 hours ago 932nd jusaka 172 450 131ms 13 hours ago 933rd jusaka 170 512 1,460ms 15 hours ago 934th jusaka 169 985 1,436ms 12 hours ago 935th jusaka 168 415 3ms 5 hours ago 936th jusaka 161 246 3ms 16 hours ago 937th jusaka 156 244 140ms 11 hours ago 938th theEsteemed 154 606 407ms 20 Jan 2026 939th jusaka 146 744 46ms 12 hours ago 940th jusaka 141 568 10ms 13 hours ago 941st AidanWalter 120 540 11ms 1 Jan 2025 942nd vkptimon 120 776 422ms 9 Jul 2025 943rd jusaka 116 643 8ms 10 hours ago 944th bignamehyp 97 667 11ms 14 Nov 2024 945th dokutan 60 2,474 120ms 18 Aug 2025 946th iczelia 🇩🇪 52 2,045 4ms 14 Oct 2025 947th lyphyser 0 15 32ms 25 May 2025 947th 2bular 0 15 34ms 14 Feb 2026 947th Natanaelel 🇸🇪 0 15 34ms 17 Feb 2026 950th namelessiw 0 16 141ms 19 Nov 2025 950th darrenks 🇺🇸 0 16 33ms 14 Feb 2026 952nd lyxal 🇦🇺 0 18 848ms 17 May 2025 952nd themoonisacheese 0 18 874ms 13 Jun 2025 952nd plcc0 0 18 35ms 14 Feb 2026 955th kg583 🇺🇸 0 20 267ms 14 May 2025 955th jshholland 0 20 836ms 19 Feb 2026 957th plcc0 0 30 97ms 31 Jan 2026 958th ovs-code 🇩🇪 0 37 2ms 13 Jul 2025 959th maweowo 🇩🇪 0 39 4ms 2 Oct 2025 960th ovs-code 🇩🇪 0 40 5ms 9 Jul 2025 First Prev 881–960 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