Number Spiral 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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 819th KatieLG 🇬🇧 377 305 14ms 17 Mar 2024 819th HumanoidCPU 377 305 15ms 28 Apr 2024 819th Mabeloid 🇳🇴 377 305 14ms 4 Oct 2024 819th CaedenHarper 🇨🇦 377 305 14ms 16 Aug 2025 830th Shanethegamer 🇺🇸 377 314 4ms 6 Dec 2024 830th CaedenHarper 🇨🇦 377 314 4ms 25 Jan 2025 830th dokutan 377 314 3ms 12 Sep 2025 833rd edsrzf 🇳🇿 376 270 349ms 25 Nov 2024 834th acollett89 375 216 9ms 5 Aug 2025 835th adoxography 374 167 38ms 20 Mar 2022 836th janbehrens 🇩🇪 374 168 13ms 1 Jul 2022 837th Feniske 🇫🇷 372 194 212ms 10 Nov 2023 838th h3ra993huskp 🇯🇵 372 313 327ms 7 Apr 2024 839th KatieLG 🇬🇧 371 347 285ms 9 Apr 2022 839th RutZap 371 347 250ms 24 Jan 2023 839th Shanethegamer 🇺🇸 371 347 265ms 15 Aug 2024 839th HumanoidCPU 371 347 260ms 26 Aug 2024 843rd HumanoidCPU 370 170 11ms 1 Jun 2024 844th madeforlosers 370 219 9ms 8 Nov 2023 845th dokutan 370 363 26ms 20 Apr 2025 845th HumanoidCPU 370 363 26ms 4 days ago 847th KatieLG-Transpiler 🇬🇧 369 349 265ms 24 Jun 2022 848th dokutan 365 188 75ms 22 Jun 2025 849th voidgloom 364 173 10ms 23 Oct 2024 850th p-vf 🇨🇭 364 279 384ms 13 Jul 2022 851st Msleizak 🇫🇷 364 316 14ms 18 Jul 2024 852nd Msleizak 🇫🇷 364 343 1ms 4 Nov 2022 853rd samthidny 363 223 10ms 25 Apr 2022 854th eiburns 362 174 11ms 27 Oct 2023 855th neel11235813 362 313 22ms 25 Dec 2022 855th KatieLG 🇬🇧 362 313 23ms 25 Dec 2022 855th KatieLG-Transpiler 🇬🇧 362 313 21ms 26 Dec 2022 855th retrohun 362 313 22ms 28 Dec 2022 855th hellopatrick 362 313 22ms 1 Jan 2023 855th aksyristos 362 313 22ms 1 Jan 2023 855th msbranicky 362 313 23ms 21 Sep 2023 855th HumanoidCPU 362 313 23ms 22 Apr 2024 855th Shanethegamer 🇺🇸 362 313 23ms 15 Aug 2024 855th Mabeloid 🇳🇴 362 313 23ms 4 Oct 2024 855th dokutan 362 313 23ms 29 Jun 2025 855th CaedenHarper 🇨🇦 362 313 22ms 16 Aug 2025 867th Msleizak 🇫🇷 362 411 1ms 4 Nov 2022 868th dokutan 361 173 36ms 27 Apr 2025 869th gifti258 361 190 71ms 14 Sep 2023 870th KatieLG 🇬🇧 361 309 122ms 27 Jan 2022 870th janAkali 🇷🇺 361 309 117ms 26 Apr 2024 870th HumanoidCPU 361 309 118ms 22 May 2024 870th Shanethegamer 🇺🇸 361 309 123ms 15 Aug 2024 870th Mabeloid 🇳🇴 361 309 119ms 4 Oct 2024 870th CaedenHarper 🇨🇦 361 309 121ms 16 Aug 2025 876th dokutan 360 186 69ms 19 Feb 2025 877th RobertHoeh 359 175 13ms 3 Mar 2025 878th msbranicky 359 374 28ms 29 Aug 2023 879th MeWhenI 🇻🇦 358 247 4ms 16 Aug 2024 880th HumanoidCPU 357 175 36ms 10 Jan 2025 881st Vaekor 357 176 10ms 3 Aug 2023 881st m42km 357 176 17ms 25 Feb 2024 881st CommandLeo 🇮🇹 357 176 21ms 8 Oct 2025 884th satutalo 🇫🇮 357 248 4ms 15 Dec 2022 885th HumanoidCPU 356 170 337ms 1 Jun 2024 886th retrohun 356 361 250ms 28 Dec 2022 886th Mabeloid 🇳🇴 356 361 263ms 4 Oct 2024 888th msbranicky 355 177 22ms 12 Jul 2023 889th kawamuu5 355 286 391ms 28 Jun 2023 890th msbranicky 355 315 116ms 30 Aug 2023 891st pascscha 353 178 19ms 28 Mar 2022 892nd DaCuteRaccoon 353 314 61ms 15 May 2022 892nd retrohun 353 314 63ms 28 Dec 2022 892nd HumanoidCPU 353 314 62ms 21 May 2024 892nd Shanethegamer 🇺🇸 353 314 66ms 15 Aug 2024 892nd Mabeloid 🇳🇴 353 314 65ms 4 Oct 2024 892nd dokutan 353 314 63ms 10 Feb 2025 892nd CaedenHarper 🇨🇦 353 314 64ms 16 Aug 2025 899th Shanethegamer 🇺🇸 353 330 324ms 25 Sep 2025 899th HumanoidCPU 353 330 336ms 20 hours ago First Prev 826–900 of 1,675 Next Last