Lucky Numbers in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 826th Schmitt-Very-Cool 435 209 391ms 2 Oct 2025 827th Isaac-NTT 433 132 12ms 23 Jun 2023 828th h3ra993huskp 🇯🇵 433 210 699ms 18 Feb 2024 829th estomagordo 🇳🇱 428 118 69ms 26 Oct 2022 829th andre-lameirinhas 🇵🇹 428 118 22ms 26 Apr 2023 829th davidludwik2370 428 118 17ms 29 Jul 2025 832nd Unknownuserfrommars 425 119 449ms 21 Nov 2024 832nd clayboll99 425 119 14ms 15 Jul 2025 832nd Zhenyu-Bo 425 119 1,581ms 31 Jul 2025 835th pschmid0 🇺🇸 423 131 4ms 23 Oct 2022 836th xyangst 423 135 15ms 18 Oct 2024 837th JRaspass 🇬🇧 422 90 29ms 22 Sep 2022 838th Techdude01 421 120 16ms 21 Dec 2023 838th aalec 421 120 142ms 24 Apr 2024 840th scpchicken 🇵🇼 421 261 29ms 2 Mar 2022 841st Betuaredead 416 208 1,324ms 16 Jan 2023 842nd NickTheEASDude 🇺🇸 414 122 15ms 9 Apr 2024 843rd dillon-duncando 411 123 61ms 3 Oct 2022 844th GeorgeStechman 🇬🇧 411 139 21ms 14 Nov 2022 845th Bananapants22 408 124 3,332ms 17 Aug 2022 845th Florian-Mt 408 124 30ms 29 Sep 2023 847th bac0id 407 223 351ms 30 Jun 2024 848th Mr-McChicken 404 125 50ms 17 Oct 2023 849th 5cw 🇺🇸 402 278 274ms 22 Apr 2023 850th inna-tichman 399 139 9ms 19 Jul 2023 851st dtbao20 🇻🇳 398 127 12ms 1 Oct 2024 852nd RandGuy 398 200 375ms 1 Apr 2022 853rd yuchuehw 394 284 285ms 28 Jan 2024 854th CaedenHarper 🇨🇦 393 203 503ms 16 days ago 855th msbranicky 392 285 276ms 28 Sep 2023 856th deryilz 389 147 80ms 5 Jan 2023 857th brimstonetrader 386 131 43ms 21 Jan 2024 858th TheBrokenRail 386 176 15ms 5 Oct 2024 859th Jacob385 383 237 580ms 6 Sep 2024 860th ravnskjaer 🇩🇰 379 240 626ms 2 Jan 2025 861st MeWhenI 🇻🇦 376 168 180ms 5 Apr 2025 862nd MeWhenI 🇻🇦 375 117 190ms 1 Mar 2022 863rd yoshykai 372 244 376ms 27 Mar 2025 864th snoozingnewt 🇺🇸 370 199 4,194ms 27 Sep 2025 865th jessegyger 365 152 41ms 23 Oct 2022 866th JesseNoEyes 🇺🇸 364 139 49ms 28 Oct 2024 867th Posandu 364 157 13ms 18 Oct 2022 868th Herbert00709 🇵🇱 364 238 76ms 24 days ago 869th bwat2 362 251 395ms 21 Apr 2022 869th CaedenHarper 🇨🇦 362 251 373ms 22 days ago 871st adriweb 🇫🇷 362 309 312ms 17 Aug 2023 872nd Stockoh 🇫🇷 361 140 112ms 26 Apr 2024 872nd Emutis 🇱🇹 361 140 159ms 30 Jul 2025 874th frankgraziano 359 148 4,966ms 30 Apr 2025 875th janbehrens 🇩🇪 355 150 2,014ms 5 Mar 2022 876th dillon-duncando 354 192 3ms 23 Sep 2022 877th MyXoToD 🇩🇪 353 162 15ms 2 Jul 2024 878th alphafalfa 352 156 200ms 25 Oct 2024 879th atazzam 🇺🇸 351 144 14ms 10 Sep 2022 880th Dataen 349 145 28ms 31 Jan 2024 881st HumanoidCPU 346 250 345ms 7 Nov 2024 882nd Florian-Mt 345 264 221ms 14 Jul 2024 883rd DialFrost 🇸🇬 340 106 1,190ms 3 May 2025 884th eclyptox 336 165 40ms 11 Oct 2024 885th StronkCheese 🇺🇸 336 170 11ms 26 Feb 2023 886th msbranicky 332 274 133ms 6 Oct 2023 887th MeWhenI 🇻🇦 328 99 301ms 15 Feb 2025 888th snoozingnewt 🇺🇸 324 210 5ms 24 days ago 889th Dpxx 321 270 423ms 5 Aug 2024 890th iczelia 🇩🇪 320 158 11ms 16 days ago 891st snoozingnewt 🇺🇸 316 195 114ms 25 days ago 892nd nephila-nacrea 🇬🇧 314 121 5ms 8 Mar 2022 893rd r-benson 🇬🇧 308 164 415ms 27 Jan 2023 894th SURAJMITTAL 306 165 131ms 13 Dec 2024 895th IISResetMe 302 167 360ms 22 Feb 2024 896th HumanoidCPU 300 227 3ms 22 Mar 2024 897th dylanjones92 286 177 123ms 26 Jan 2024 898th calinous 🇷🇴 274 248 1,895ms 2 Mar 2023 899th Adix-null 🇱🇹 274 408 271ms 30 Jul 2023 900th AidanWalter 266 420 298ms 2 Jan 2025 First Prev 826–900 of 1,478 Next Last