Reverse Polish Notation 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 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 826th HumanoidCPU 501 132 29 Sep 2024 827th adamnielson42 🇺🇸 501 146 2 Jun 2023 828th KatieLG 🇬🇧 501 365 1 Oct 2022 829th eiburns 501 366 28 Feb 2022 830th MeWhenI 🇻🇦 500 117 3 Aug 2024 831st sleepyStick 500 150 15 Jul 2022 831st galloj 🇨🇿 500 150 9 Jan 2023 831st cingulataluke 500 150 27 Aug 2023 831st CutSandstone 500 150 8 Jul 2024 835th msbranicky 499 267 12 Aug 2023 836th MeWhenI 🇻🇦 497 168 28 May 2023 837th jacklynnepenick 496 151 15 Feb 2022 837th ssbhatt4321 496 151 11 Jun 2023 837th thienudomsrirungruang 496 151 16 Apr 2024 837th 051 🇸🇬 496 151 1 Aug 2024 837th mishak-sys 496 151 24 Feb 2025 842nd nyoshe 495 234 4 Jul 2023 843rd MeWhenI 🇻🇦 495 303 6 Sep 2022 844th bstrat 494 70 29 May 2024 845th TheBlupper 493 152 8 Nov 2022 845th yokasuretsu 493 152 14 Jan 2025 847th emplv 🇱🇻 491 170 30 Apr 2024 848th MeWhenI 🇻🇦 491 236 25 Aug 2023 848th keelimeguy 🇺🇸 491 236 5 Nov 2023 850th adamnielson42 🇺🇸 490 58 10 Jan 2024 851st hjcafaroUC 490 153 20 Aug 2022 851st LogicalJoe 490 153 29 Nov 2022 853rd MeWhenI 🇻🇦 490 608 15 Nov 2023 854th KatieLG-Transpiler 🇬🇧 487 154 4 Nov 2022 854th stertooy 🇧🇪 487 154 14 Jun 2024 856th retrohun 486 129 6 Nov 2022 856th DialFrost 🇸🇬 486 129 31 May 2025 858th MeWhenI 🇻🇦 486 168 19 Apr 2024 859th TheDrawingCoder-Gamer 485 202 13 days ago 860th AbhilashaTandon 484 155 21 Nov 2022 860th aksyristos 484 155 29 Nov 2022 860th b10011 🇫🇮 484 155 21 Jan 2023 860th Stockoh 🇫🇷 484 155 17 Oct 2024 864th Frowny 480 72 14 Feb 2022 865th lionbryce 480 204 7 Aug 2024 866th trist224 🇫🇷 477 157 29 Nov 2022 866th TaserTheFox 🇺🇸 477 157 20 Jan 2023 868th pandapawskat 477 243 9 Dec 2022 869th genmeblog 475 169 11 Dec 2023 870th edsrzf 🇳🇿 474 167 29 Jan 2025 871st dokutan 474 281 5 Aug 2024 872nd HumanoidCPU 472 155 8 Oct 2024 873rd janbehrens 🇩🇪 472 177 6 Jul 2023 874th SiestaGuru 472 388 9 Jan 2023 875th neihousaigaai 471 159 20 Feb 2022 875th brimstonetrader 471 159 8 Jan 2024 877th strattonwhisler 469 156 6 Jul 2023 878th AdamMorris377 469 160 29 Aug 2024 878th Emutis 🇱🇹 469 160 2 Nov 2024 880th bac0id 469 290 27 Jun 2024 881st crhenley 🇺🇸 467 248 30 Oct 2023 881st heanyang1 467 248 1 Jun 2025 883rd Natanaelel 🇸🇪 466 61 10 Jan 2024 884th juliansiebert 🇩🇪 466 124 21 Jul 2022 885th szymex73 🇵🇱 466 249 17 Feb 2024 886th c0d3-4-F00d 🇩🇪 466 292 21 Feb 2022 887th emgordon154 464 250 17 Jul 2024 888th KatieLG 🇬🇧 464 395 5 Jan 2023 889th glesnick 463 162 15 Jul 2022 889th m42km 463 162 3 Feb 2024 889th nilan425 463 162 11 days ago 892nd dokutan 461 146 20 Sep 2024 893rd 1231234md5 🇨🇳 461 303 8 Jan 2024 894th zlee1 460 163 27 Apr 2022 894th aglahir1 460 163 20 Jul 2022 894th cdesodt 460 163 3 Sep 2023 897th KatieLG 🇬🇧 459 182 8 Aug 2024 898th ChrisTheisen 457 298 19 Dec 2022 899th Mabeloid 🇳🇴 456 145 4 May 2025 900th tomh1012 456 306 4 Mar 2022 Prev 826–900 of 1,065 Next
