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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 601st oeb25 663 282 228ms 16 May 2022 602nd Shanethegamer 🇺🇸 661 122 7ms 12 Apr 2024 603rd two-bad 🇬🇧 660 111 9ms 25 Feb 2024 604th billings7 🇬🇧 660 207 333ms 16 Apr 2022 605th jmerle 🇳🇱 659 114 16ms 15 Feb 2023 606th edsrzf 🇳🇿 659 182 100ms 8 days ago 607th jgbaldwinbrown 658 177 2ms 15 Jun 2022 608th m-tkach 🇺🇦 657 101 417ms 21 Jan 2024 609th edsrzf 🇳🇿 657 282 5ms 20 Feb 2025 610th CatsAreFluffy 654 178 2ms 24 Feb 2023 611th rniii 653 61 35ms 15 Sep 2023 611th olleicua 🇺🇸 653 61 36ms 6 Jan 2024 611th anter69 🇭🇺 653 61 57ms 2 Apr 2024 611th xsot 🇸🇬 653 61 38ms 23 Apr 2025 611th beirigo 🇧🇷 653 61 34ms 17 Oct 2025 616th Salutations45 653 96 2ms 22 Jan 2025 617th lynn 653 115 16ms 12 Feb 2022 617th Kacarott 🇦🇺 653 115 559ms 4 Feb 2025 619th MeWhenI 🇻🇦 653 204 2ms 11 Sep 2022 620th jerrandolph 653 280 266ms 19 Dec 2023 621st Florian-Mt 653 286 453ms 15 Jul 2024 622nd albanian-laundromat 652 40 4ms 22 mins ago 623rd UnderKoen 🇳🇱 652 284 12ms 26 Aug 2025 624th TehFlaminTaco 649 113 28ms 10 Nov 2022 625th Shanethegamer 🇺🇸 648 151 19ms 14 Aug 2024 626th thehylian 647 116 15ms 14 Jan 2023 626th zacjl 647 116 16ms 20 Apr 2023 628th CatsAreFluffy 646 205 142ms 31 Mar 2023 629th SirBogman 🇺🇸 646 283 41ms 31 Dec 2023 630th CaedenHarper 🇨🇦 645 212 334ms 17 Oct 2025 631st nwellnhof 🇩🇪 643 62 34ms 4 Jun 2022 631st KL-Lru 643 62 34ms 29 Dec 2022 631st Natanaelel 🇸🇪 643 62 34ms 9 Dec 2023 631st KatieLG 🇬🇧 643 62 38ms 2 Oct 2025 635th not-a-pokemon 643 181 1ms 5 Jul 2025 636th brimstonetrader 643 206 148ms 21 Jan 2024 637th betaveros 642 117 16ms 31 Dec 2022 637th DayDun 🇸🇪 642 117 21ms 22 Jan 2023 637th KasperKivimaeki 🇫🇮 642 117 14ms 1 Jul 2025 637th bzijlema 🇳🇱 642 117 16ms 27 days ago 641st ovs-code 🇩🇪 640 105 929ms 27 Oct 2023 642nd jupj 🇫🇮 640 182 2ms 16 Sep 2022 642nd jared-hughes 640 182 2ms 9 Jan 2023 644th Yewzir 🇧🇪 639 211 492ms 9 Feb 2023 645th MiffOttah 639 214 354ms 28 Nov 2024 646th Florian-Mt 637 115 10ms 27 Oct 2023 647th DialFrost 🇸🇬 637 287 258ms 29 May 2025 648th IISResetMe 636 91 310ms 12 days ago 649th bizy-coder 636 118 38ms 6 Aug 2023 649th Rubiksmath 636 118 40ms 7 Aug 2023 649th StefanHabel 🇨🇦 636 118 15ms 4 Sep 2023 652nd NickTheEASDude 🇺🇸 636 154 2ms 18 Sep 2024 653rd edsrzf 🇳🇿 634 175 99ms 10 Jun 2025 654th jared-hughes 634 221 2,349ms 9 Jan 2023 655th Frowny 631 119 179ms 13 Feb 2022 655th prplz 🇦🇺 631 119 17ms 13 Feb 2022 655th bricknellj 631 119 20ms 14 Feb 2023 655th edsrzf 🇳🇿 631 119 22ms 4 Oct 2025 655th Natanaelel 🇸🇪 631 119 16ms 26 days ago 660th GolfingSuccess 🇬🇷 631 163 120ms 29 Jul 2025 661st emgordon154 629 93 120ms 7 Aug 2024 662nd Yewzir 🇧🇪 629 397 2,450ms 24 days ago 663rd stefangimmillaro 628 133 5ms 2 Jul 2023 664th dokutan 627 190 141ms 12 Jul 2024 665th TobyBoyne 🇬🇧 626 120 16ms 18 Feb 2022 665th OllieBoyne 🇬🇧 626 120 15ms 18 Feb 2022 665th petroselo 626 120 190ms 12 Apr 2022 665th inventshah 626 120 15ms 15 Nov 2022 665th CaedenHarper 🇨🇦 626 120 34ms 27 Dec 2024 670th JRaspass 🇬🇧 626 292 299ms 18 May 2022 671st SirBogman 🇺🇸 625 92 34ms 23 Apr 2022 672nd ChiefChippy2 623 64 35ms 12 Feb 2022 672nd GrayJoKing 🇦🇺 623 64 35ms 13 Feb 2022 674th MeWhenI 🇻🇦 623 108 341ms 15 Feb 2023 675th targrik 623 134 5ms 14 Aug 2025 First Prev 601–675 of 1,144 Next Last