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 snoozingnewt 🇨🇦 303 200 4ms 2 Nov 2025 882nd KatieLG 🇬🇧 300 290 2,606ms 1 Oct 2025 883rd gautambp 297 218 11ms 24 Jun 2025 884th jusaka 289 275 2ms 13 hours ago 885th kasarino 287 240 2ms 8 Feb 2026 886th KatieLG 🇬🇧 286 241 2ms 1 Oct 2025 887th Zhenyu-Bo 284 228 11ms 30 Jul 2025 888th fantaize 284 330 201ms 10 Mar 2026 889th EthanJantz 281 230 12ms 5 Sep 2025 890th ReterikHub 281 310 210ms 17 Jan 2025 891st jusaka 276 234 90ms 11 hours ago 892nd jusaka 275 243 2,488ms 11 hours ago 893rd jusaka 275 435 347ms 12 hours ago 894th RobertBurs 273 237 11ms 22 Sep 2025 895th Mikey-Beep 🇬🇧 273 349 16ms 12 Aug 2025 896th jusaka 273 425 82ms 109 mins ago 897th MeWhenI 🇻🇦 272 407 119ms 6 Oct 2024 898th TJK-S 268 241 12ms 25 Oct 2025 898th NoneTheFewer 268 241 11ms 25 Dec 2025 900th jusaka 261 205 10ms 7 hours ago 901st kasarino 260 373 44ms 8 Feb 2026 902nd jusaka 254 271 3ms 12 hours ago 903rd te-chnical 251 258 222ms 4 May 2025 904th jusaka 249 336 399ms 11 hours ago 905th jusaka 243 421 4ms 9 hours ago 906th jusaka 242 507 29ms 9 hours ago 907th jusaka 239 309 204ms 10 hours ago 908th jusaka 233 388 90ms 11 hours ago 909th jusaka 230 309 5ms 8 hours ago 910th jusaka 227 361 148ms 11 hours ago 911th jusaka 224 254 1,457ms 10 hours ago 912th arebbsba 218 296 10ms 9 Jan 2025 913th kasarino 216 299 11ms 8 Feb 2026 914th jusaka 216 446 25ms 8 hours ago 915th jusaka 213 225 38ms 14 hours ago 916th jusaka 211 390 188ms 10 hours ago 917th jusaka 207 189 34ms 5 hours ago 918th Msleizak 🇫🇷 206 226 262ms 19 May 2025 919th benanlam 202 320 12ms 21 Dec 2025 920th jusaka 199 556 29ms 10 hours ago 921st jusaka 199 575 45ms 8 hours ago 922nd jusaka 194 467 1,371ms 11 hours ago 923rd jusaka 192 488 224ms 12 hours ago 924th jusaka 185 366 6ms 11 hours ago 925th jusaka 184 307 249ms 11 hours ago 926th jusaka 180 387 110ms 11 hours ago 927th jusaka 177 365 11ms 14 hours ago 928th jusaka 172 337 1,983ms 10 hours ago 929th jusaka 172 450 131ms 10 hours ago 930th jusaka 170 512 1,460ms 12 hours ago 931st jusaka 169 985 1,436ms 9 hours ago 932nd jusaka 168 415 3ms 2 hours ago 933rd jusaka 161 246 3ms 13 hours ago 934th jusaka 156 244 140ms 8 hours ago 935th theEsteemed 154 606 407ms 20 Jan 2026 936th jusaka 146 744 46ms 9 hours ago 937th jusaka 141 568 10ms 10 hours ago 938th AidanWalter 120 540 11ms 1 Jan 2025 939th vkptimon 120 776 422ms 9 Jul 2025 940th jusaka 116 643 8ms 7 hours ago 941st bignamehyp 97 667 11ms 14 Nov 2024 942nd dokutan 60 2,474 120ms 18 Aug 2025 943rd iczelia 🇩🇪 52 2,045 4ms 14 Oct 2025 944th lyphyser 0 15 32ms 25 May 2025 944th 2bular 0 15 34ms 14 Feb 2026 944th Natanaelel 🇸🇪 0 15 34ms 17 Feb 2026 947th namelessiw 0 16 141ms 19 Nov 2025 947th darrenks 🇺🇸 0 16 33ms 14 Feb 2026 949th lyxal 🇦🇺 0 18 848ms 17 May 2025 949th themoonisacheese 0 18 874ms 13 Jun 2025 949th plcc0 0 18 35ms 14 Feb 2026 952nd kg583 🇺🇸 0 20 267ms 14 May 2025 952nd jshholland 0 20 836ms 19 Feb 2026 954th plcc0 0 30 97ms 31 Jan 2026 955th ovs-code 🇩🇪 0 37 2ms 13 Jul 2025 956th maweowo 🇩🇪 0 39 4ms 2 Oct 2025 957th ovs-code 🇩🇪 0 40 5ms 9 Jul 2025 958th AlephSquirrel 0 43 3ms 15 Jun 2025 958th commandz0 🇺🇸 0 43 4ms 10 Jan 2026 960th evnu 0 44 5ms 12 Oct 2025 First Prev 881–960 of 986 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