Reverse Polish Notation 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 879th Player01osu 515 146 10ms 28 Oct 2023 879th Aquateraneal 515 146 16ms 16 Jan 2026 883rd nephila-nacrea 🇬🇧 513 79 5ms 20 Feb 2022 884th error256 511 51 3ms 6 May 2024 885th Bodo171 511 147 19ms 7 Dec 2022 885th vgamula 🇺🇦 511 147 18ms 6 Nov 2023 885th croc54 511 147 17ms 27 Jan 2025 888th Sciman101 511 192 2ms 27 Mar 2025 889th MeWhenI 🇻🇦 510 370 26ms 14 Feb 2022 890th MeWhenI 🇻🇦 509 367 221ms 15 Feb 2022 891st davecame 508 148 29ms 18 Sep 2023 892nd dokutan 508 193 2ms 13 Jan 2025 893rd rucin93 🇵🇱 506 79 35ms 31 May 2025 894th Yewzir 🇧🇪 505 63 69ms 11 Mar 2024 895th namcartoon06 504 278 2,799ms 30 Jun 2023 896th HumanoidCPU 503 132 480ms 29 Sep 2024 897th adamnielson42 🇺🇸 503 146 9ms 2 Jun 2023 898th sleepyStick 501 150 16ms 15 Jul 2022 898th galloj 🇨🇿 501 150 16ms 9 Jan 2023 898th cingulataluke 501 150 11ms 27 Aug 2023 898th CutSandstone 501 150 18ms 8 Jul 2024 902nd KatieLG 🇬🇧 501 365 285ms 1 Oct 2022 903rd msbranicky 499 267 2ms 12 Aug 2023 904th MeWhenI 🇻🇦 499 317 33ms 6 Jun 2023 905th jacklynnepenick 498 151 16ms 15 Feb 2022 905th ssbhatt4321 498 151 19ms 11 Jun 2023 905th thienudomsrirungruang 498 151 17ms 16 Apr 2024 905th mishak-sys 498 151 25ms 24 Feb 2025 909th nyoshe 498 234 2ms 4 Jul 2023 910th MeWhenI 🇻🇦 497 117 148ms 3 Aug 2024 911th MeWhenI 🇻🇦 497 168 5ms 28 May 2023 912th MaxElf999 497 321 427ms 20 Aug 2024 913th edsrzf 🇳🇿 495 160 100ms 10 Nov 2025 914th MeWhenI 🇻🇦 495 303 38ms 6 Sep 2022 915th bstrat 494 70 3ms 29 May 2024 916th TheBlupper 494 152 15ms 8 Nov 2022 916th yokasuretsu 494 152 15ms 14 Jan 2025 916th islptng 494 152 16ms 14 Oct 2025 919th MeWhenI 🇻🇦 494 236 2ms 25 Aug 2023 919th keelimeguy 🇺🇸 494 236 2ms 5 Nov 2023 921st hjcafaroUC 491 153 14ms 20 Aug 2022 921st LogicalJoe 491 153 10ms 29 Nov 2022 923rd emplv 🇱🇻 491 170 4ms 30 Apr 2024 924th Schmitt-Very-Cool 491 325 495ms 3 Oct 2025 925th adamnielson42 🇺🇸 490 58 4ms 10 Jan 2024 926th dokutan 490 232 39ms 26 Aug 2024 927th AutumnWind75 490 286 420ms 10 Dec 2025 928th KatieLG-Transpiler 🇬🇧 488 154 91ms 4 Nov 2022 928th stertooy 🇧🇪 488 154 16ms 14 Jun 2024 930th CaedenHarper 🇨🇦 487 82 36ms 13 Sep 2025 931st DialFrost 🇸🇬 487 129 2ms 31 May 2025 932nd MeWhenI 🇻🇦 486 168 8ms 19 Apr 2024 933rd MeWhenI 🇻🇦 486 608 47ms 15 Nov 2023 934th AbhilashaTandon 485 155 15ms 21 Nov 2022 934th aksyristos 485 155 10ms 29 Nov 2022 934th b10011 🇫🇮 485 155 16ms 21 Jan 2023 934th Stockoh 🇫🇷 485 155 15ms 17 Oct 2024 938th luuumine 🇫🇷 485 240 2ms 26 Nov 2025 939th yoshykai 485 329 441ms 8 Apr 2025 940th AstroOrbis 483 168 6ms 5 days ago 941st bac0id 483 330 399ms 27 Jun 2024 942nd lionbryce 481 204 1ms 7 Aug 2024 943rd Frowny 480 72 3ms 14 Feb 2022 944th genmeblog 480 169 9ms 11 Dec 2023 945th trist224 🇫🇷 479 157 10ms 29 Nov 2022 945th TaserTheFox 🇺🇸 479 157 16ms 20 Jan 2023 947th pandapawskat 479 243 2ms 9 Dec 2022 948th dokutan 474 281 2ms 5 Aug 2024 949th HumanoidCPU 473 155 9ms 8 Oct 2024 950th neihousaigaai 473 159 20ms 20 Feb 2022 950th brimstonetrader 473 159 17ms 8 Jan 2024 950th qpwoeirut 473 159 10ms 19 Nov 2025 950th Emutis 🇱🇹 473 159 16ms 5 days ago 954th janbehrens 🇩🇪 472 177 4ms 6 Jul 2023 955th elttil 472 247 2ms 5 Jan 2026 956th bac0id 472 290 388ms 27 Jun 2024 957th strattonwhisler 470 156 10ms 6 Jul 2023 958th AdamMorris377 470 160 19ms 29 Aug 2024 959th crhenley 🇺🇸 470 248 2ms 30 Oct 2023 959th heanyang1 470 248 2ms 1 Jun 2025 First Prev 881–960 of 1,180 Next Last