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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 826th eiburns 501 366 28 Feb 2022 827th MeWhenI 🇻🇦 500 117 3 Aug 2024 828th sleepyStick 500 150 15 Jul 2022 828th galloj 🇨🇿 500 150 9 Jan 2023 828th cingulataluke 500 150 27 Aug 2023 828th CutSandstone 500 150 8 Jul 2024 832nd msbranicky 499 267 12 Aug 2023 833rd MeWhenI 🇻🇦 497 168 28 May 2023 834th jacklynnepenick 496 151 15 Feb 2022 834th ssbhatt4321 496 151 11 Jun 2023 834th thienudomsrirungruang 496 151 16 Apr 2024 834th 051 🇸🇬 496 151 1 Aug 2024 834th mishak-sys 496 151 24 Feb 2025 839th nyoshe 495 234 4 Jul 2023 840th MeWhenI 🇻🇦 495 303 6 Sep 2022 841st bstrat 494 70 29 May 2024 842nd TheBlupper 493 152 8 Nov 2022 842nd yokasuretsu 493 152 14 Jan 2025 844th emplv 🇱🇻 491 170 30 Apr 2024 845th MeWhenI 🇻🇦 491 236 25 Aug 2023 845th keelimeguy 🇺🇸 491 236 5 Nov 2023 847th adamnielson42 🇺🇸 490 58 10 Jan 2024 848th hjcafaroUC 490 153 20 Aug 2022 848th LogicalJoe 490 153 29 Nov 2022 850th MeWhenI 🇻🇦 490 608 15 Nov 2023 851st KatieLG-Transpiler 🇬🇧 487 154 4 Nov 2022 851st stertooy 🇧🇪 487 154 14 Jun 2024 853rd retrohun 486 129 6 Nov 2022 853rd DialFrost 🇸🇬 486 129 31 May 2025 855th MeWhenI 🇻🇦 486 168 19 Apr 2024 856th TheDrawingCoder-Gamer 485 202 6 days ago 857th AbhilashaTandon 484 155 21 Nov 2022 857th aksyristos 484 155 29 Nov 2022 857th b10011 🇫🇮 484 155 21 Jan 2023 857th Stockoh 🇫🇷 484 155 17 Oct 2024 861st Frowny 480 72 14 Feb 2022 862nd lionbryce 480 204 7 Aug 2024 863rd trist224 🇫🇷 477 157 29 Nov 2022 863rd TaserTheFox 🇺🇸 477 157 20 Jan 2023 865th pandapawskat 477 243 9 Dec 2022 866th genmeblog 475 169 11 Dec 2023 867th edsrzf 🇳🇿 474 167 29 Jan 2025 868th dokutan 474 281 5 Aug 2024 869th HumanoidCPU 472 155 8 Oct 2024 870th janbehrens 🇩🇪 472 177 6 Jul 2023 871st SiestaGuru 472 388 9 Jan 2023 872nd neihousaigaai 471 159 20 Feb 2022 872nd brimstonetrader 471 159 8 Jan 2024 874th strattonwhisler 469 156 6 Jul 2023 875th bac0id 469 290 27 Jun 2024 876th AdamMorris377 468 160 29 Aug 2024 876th Emutis 🇱🇹 468 160 2 Nov 2024 878th crhenley 🇺🇸 467 248 30 Oct 2023 878th heanyang1 467 248 1 Jun 2025 880th Natanaelel 🇸🇪 466 61 10 Jan 2024 881st juliansiebert 🇩🇪 466 124 21 Jul 2022 882nd szymex73 🇵🇱 466 249 17 Feb 2024 883rd c0d3-4-F00d 🇩🇪 466 292 21 Feb 2022 884th emgordon154 464 250 17 Jul 2024 885th KatieLG 🇬🇧 464 395 5 Jan 2023 886th glesnick 463 162 15 Jul 2022 886th m42km 463 162 3 Feb 2024 886th nilan425 463 162 3 days ago 889th dokutan 461 146 20 Sep 2024 890th 1231234md5 🇨🇳 461 303 8 Jan 2024 891st zlee1 460 163 27 Apr 2022 891st aglahir1 460 163 20 Jul 2022 891st cdesodt 460 163 3 Sep 2023 894th KatieLG 🇬🇧 459 182 8 Aug 2024 895th ChrisTheisen 457 298 19 Dec 2022 896th Mabeloid 🇳🇴 456 145 4 May 2025 897th tomh1012 456 306 4 Mar 2022 898th KatieLG 🇬🇧 455 299 25 Oct 2022 899th yishayv 454 165 24 Jan 2023 900th Mabeloid 🇳🇴 453 256 29 Sep 2024 Prev 826–900 of 1,062 Next