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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 601st h3ra993huskp 🇯🇵 658 242 312ms 2 Jun 2024 602nd m-tkach 🇺🇦 657 101 483ms 21 Jan 2024 603rd jgbaldwinbrown 657 177 2ms 15 Jun 2022 604th edsrzf 🇳🇿 657 282 5ms 20 Feb 2025 605th rniii 653 61 49ms 15 Sep 2023 605th olleicua 🇺🇸 653 61 37ms 6 Jan 2024 605th anter69 🇭🇺 653 61 69ms 2 Apr 2024 605th xsot 🇸🇬 653 61 35ms 23 Apr 2025 605th beirigo 🇧🇷 653 61 41ms 17 Oct 2025 610th Salutations45 653 96 2ms 22 Jan 2025 611th lynn 653 115 15ms 12 Feb 2022 611th Kacarott 🇦🇺 653 115 394ms 4 Feb 2025 613th CatsAreFluffy 653 178 2ms 24 Feb 2023 614th MeWhenI 🇻🇦 653 204 3ms 11 Sep 2022 615th jerrandolph 653 280 265ms 19 Dec 2023 616th UnderKoen 🇳🇱 652 284 9ms 26 Aug 2025 617th Florian-Mt 652 286 288ms 15 Jul 2024 618th TehFlaminTaco 649 113 27ms 10 Nov 2022 619th Shanethegamer 🇺🇸 648 151 21ms 14 Aug 2024 620th thehylian 647 116 15ms 14 Jan 2023 620th zacjl 647 116 15ms 20 Apr 2023 622nd CatsAreFluffy 646 205 156ms 31 Mar 2023 623rd SirBogman 🇺🇸 646 283 50ms 31 Dec 2023 624th CaedenHarper 🇨🇦 645 212 343ms 17 Oct 2025 625th not-a-pokemon 643 181 2ms 5 Jul 2025 626th brimstonetrader 643 206 155ms 21 Jan 2024 627th nwellnhof 🇩🇪 642 62 40ms 4 Jun 2022 627th KL-Lru 642 62 42ms 29 Dec 2022 627th Natanaelel 🇸🇪 642 62 38ms 9 Dec 2023 627th KatieLG 🇬🇧 642 62 41ms 2 Oct 2025 631st betaveros 642 117 15ms 31 Dec 2022 631st DayDun 🇸🇪 642 117 21ms 22 Jan 2023 631st KasperKivimaeki 🇫🇮 642 117 17ms 1 Jul 2025 631st bzijlema 🇳🇱 642 117 14ms 12 days ago 635th ovs-code 🇩🇪 640 105 940ms 27 Oct 2023 636th jupj 🇫🇮 639 182 2ms 16 Sep 2022 636th jared-hughes 639 182 2ms 9 Jan 2023 638th Yewzir 🇧🇪 639 211 492ms 9 Feb 2023 639th MiffOttah 639 214 354ms 28 Nov 2024 640th Florian-Mt 637 115 11ms 27 Oct 2023 641st DialFrost 🇸🇬 637 287 258ms 29 May 2025 642nd bizy-coder 636 118 39ms 6 Aug 2023 642nd Rubiksmath 636 118 40ms 7 Aug 2023 642nd StefanHabel 🇨🇦 636 118 16ms 4 Sep 2023 645th NickTheEASDude 🇺🇸 636 154 3ms 18 Sep 2024 646th edsrzf 🇳🇿 634 175 112ms 10 Jun 2025 647th jared-hughes 633 221 2,209ms 9 Jan 2023 648th Frowny 631 119 144ms 13 Feb 2022 648th prplz 🇦🇺 631 119 14ms 13 Feb 2022 648th bricknellj 631 119 21ms 14 Feb 2023 648th edsrzf 🇳🇿 631 119 38ms 4 Oct 2025 648th Natanaelel 🇸🇪 631 119 16ms 11 days ago 653rd GolfingSuccess 🇬🇷 631 163 148ms 29 Jul 2025 654th emgordon154 629 93 129ms 7 Aug 2024 655th Yewzir 🇧🇪 629 397 1,541ms 9 days ago 656th stefangimmillaro 628 133 5ms 2 Jul 2023 657th dokutan 627 190 141ms 12 Jul 2024 658th TobyBoyne 🇬🇧 626 120 16ms 18 Feb 2022 658th OllieBoyne 🇬🇧 626 120 17ms 18 Feb 2022 658th petroselo 626 120 206ms 12 Apr 2022 658th inventshah 626 120 14ms 15 Nov 2022 658th CaedenHarper 🇨🇦 626 120 34ms 27 Dec 2024 663rd JRaspass 🇬🇧 626 292 283ms 18 May 2022 664th SirBogman 🇺🇸 625 92 37ms 23 Apr 2022 665th MeWhenI 🇻🇦 623 108 352ms 15 Feb 2023 666th targrik 623 134 4ms 14 Aug 2025 667th ChiefChippy2 622 64 38ms 12 Feb 2022 667th GrayJoKing 🇦🇺 622 64 40ms 13 Feb 2022 669th ovs-code 🇩🇪 622 94 139ms 17 Apr 2025 669th rucin93 🇵🇱 622 94 138ms 13 Jun 2025 671st primo-ppcg 🇹🇭 621 121 19ms 4 Mar 2022 671st EnTerr 621 121 26ms 8 Sep 2024 671st Bulmenisaurus 621 121 12ms 3 Oct 2025 671st ryyyn 🇺🇸 621 121 25ms 26 days ago 675th elPossenreisser 621 220 352ms 6 May 2022 First Prev 601–675 of 1,135 Next Last