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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 601st jmerle 🇳🇱 659 114 15ms 15 Feb 2023 602nd jgbaldwinbrown 658 177 2ms 15 Jun 2022 603rd h3ra993huskp 🇯🇵 658 242 312ms 2 Jun 2024 604th m-tkach 🇺🇦 657 101 483ms 21 Jan 2024 605th edsrzf 🇳🇿 657 282 5ms 20 Feb 2025 606th CatsAreFluffy 654 178 2ms 24 Feb 2023 607th rniii 653 61 49ms 15 Sep 2023 607th olleicua 🇺🇸 653 61 37ms 6 Jan 2024 607th anter69 🇭🇺 653 61 69ms 2 Apr 2024 607th xsot 🇸🇬 653 61 35ms 23 Apr 2025 607th beirigo 🇧🇷 653 61 41ms 17 Oct 2025 612th Salutations45 653 96 2ms 22 Jan 2025 613th lynn 653 115 15ms 12 Feb 2022 613th Kacarott 🇦🇺 653 115 394ms 4 Feb 2025 615th MeWhenI 🇻🇦 653 204 3ms 11 Sep 2022 616th jerrandolph 653 280 265ms 19 Dec 2023 617th Florian-Mt 653 286 288ms 15 Jul 2024 618th UnderKoen 🇳🇱 652 284 9ms 26 Aug 2025 619th TehFlaminTaco 649 113 27ms 10 Nov 2022 620th Shanethegamer 🇺🇸 648 151 21ms 14 Aug 2024 621st thehylian 647 116 15ms 14 Jan 2023 621st zacjl 647 116 15ms 20 Apr 2023 623rd CatsAreFluffy 646 205 156ms 31 Mar 2023 624th SirBogman 🇺🇸 646 283 50ms 31 Dec 2023 625th CaedenHarper 🇨🇦 645 212 343ms 17 Oct 2025 626th not-a-pokemon 643 181 2ms 5 Jul 2025 627th brimstonetrader 643 206 155ms 21 Jan 2024 628th nwellnhof 🇩🇪 642 62 40ms 4 Jun 2022 628th KL-Lru 642 62 42ms 29 Dec 2022 628th Natanaelel 🇸🇪 642 62 38ms 9 Dec 2023 628th KatieLG 🇬🇧 642 62 41ms 2 Oct 2025 632nd betaveros 642 117 15ms 31 Dec 2022 632nd DayDun 🇸🇪 642 117 21ms 22 Jan 2023 632nd KasperKivimaeki 🇫🇮 642 117 17ms 1 Jul 2025 632nd bzijlema 🇳🇱 642 117 14ms 14 days ago 636th ovs-code 🇩🇪 640 105 940ms 27 Oct 2023 637th jupj 🇫🇮 640 182 2ms 16 Sep 2022 637th jared-hughes 640 182 2ms 9 Jan 2023 639th Yewzir 🇧🇪 639 211 492ms 9 Feb 2023 640th MiffOttah 639 214 354ms 28 Nov 2024 641st Florian-Mt 637 115 11ms 27 Oct 2023 642nd DialFrost 🇸🇬 637 287 258ms 29 May 2025 643rd bizy-coder 636 118 39ms 6 Aug 2023 643rd Rubiksmath 636 118 40ms 7 Aug 2023 643rd StefanHabel 🇨🇦 636 118 16ms 4 Sep 2023 646th NickTheEASDude 🇺🇸 636 154 3ms 18 Sep 2024 647th edsrzf 🇳🇿 634 175 112ms 10 Jun 2025 648th jared-hughes 633 221 2,209ms 9 Jan 2023 649th Frowny 631 119 144ms 13 Feb 2022 649th prplz 🇦🇺 631 119 14ms 13 Feb 2022 649th bricknellj 631 119 21ms 14 Feb 2023 649th edsrzf 🇳🇿 631 119 38ms 4 Oct 2025 649th Natanaelel 🇸🇪 631 119 16ms 13 days ago 654th GolfingSuccess 🇬🇷 631 163 148ms 29 Jul 2025 655th emgordon154 629 93 129ms 7 Aug 2024 656th Yewzir 🇧🇪 629 397 1,541ms 11 days ago 657th stefangimmillaro 628 133 5ms 2 Jul 2023 658th dokutan 627 190 141ms 12 Jul 2024 659th TobyBoyne 🇬🇧 626 120 16ms 18 Feb 2022 659th OllieBoyne 🇬🇧 626 120 17ms 18 Feb 2022 659th petroselo 626 120 206ms 12 Apr 2022 659th inventshah 626 120 14ms 15 Nov 2022 659th CaedenHarper 🇨🇦 626 120 34ms 27 Dec 2024 664th JRaspass 🇬🇧 626 292 283ms 18 May 2022 665th SirBogman 🇺🇸 625 92 37ms 23 Apr 2022 666th MeWhenI 🇻🇦 623 108 352ms 15 Feb 2023 667th targrik 623 134 4ms 14 Aug 2025 668th ChiefChippy2 622 64 38ms 12 Feb 2022 668th GrayJoKing 🇦🇺 622 64 40ms 13 Feb 2022 670th ovs-code 🇩🇪 622 94 139ms 17 Apr 2025 670th rucin93 🇵🇱 622 94 138ms 13 Jun 2025 672nd primo-ppcg 🇹🇭 621 121 19ms 4 Mar 2022 672nd EnTerr 621 121 26ms 8 Sep 2024 672nd Bulmenisaurus 621 121 12ms 3 Oct 2025 672nd ryyyn 🇺🇸 621 121 25ms 28 Oct 2025 First Prev 601–675 of 1,137 Next Last