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 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 Apéry’s Constant Binary Lambda Calculus 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 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 641st CatsAreFluffy 646 205 142ms 31 Mar 2023 642nd CaedenHarper 🇨🇦 646 212 465ms 17 Oct 2025 643rd SirBogman 🇺🇸 646 283 41ms 31 Dec 2023 644th nwellnhof 🇩🇪 644 62 42ms 4 Jun 2022 644th KL-Lru 644 62 41ms 29 Dec 2022 644th KatieLG 🇬🇧 644 62 38ms 2 Oct 2025 647th not-a-pokemon 644 181 1ms 5 Jul 2025 648th brimstonetrader 643 206 148ms 21 Jan 2024 649th DialFrost 🇸🇬 642 99 1,966ms 5 Sep 2025 650th betaveros 642 117 15ms 31 Dec 2022 650th DayDun 🇸🇪 642 117 22ms 22 Jan 2023 650th KasperKivimaeki 🇫🇮 642 117 17ms 1 Jul 2025 650th bzijlema 🇳🇱 642 117 18ms 12 Nov 2025 650th Natanaelel 🇸🇪 642 117 12ms 7 days ago 655th ovs-code 🇩🇪 640 105 987ms 27 Oct 2023 656th jupj 🇫🇮 640 182 2ms 16 Sep 2022 656th jared-hughes 640 182 2ms 9 Jan 2023 658th MiffOttah 640 214 442ms 28 Nov 2024 659th Yewzir 🇧🇪 639 211 484ms 9 Feb 2023 660th Florian-Mt 638 115 13ms 27 Oct 2023 661st bizy-coder 637 118 45ms 6 Aug 2023 661st Rubiksmath 637 118 40ms 7 Aug 2023 661st StefanHabel 🇨🇦 637 118 15ms 4 Sep 2023 661st blaztoma 🇱🇹 637 118 43ms 35 hours ago 665th NickTheEASDude 🇺🇸 637 154 3ms 18 Sep 2024 666th DialFrost 🇸🇬 637 287 284ms 29 May 2025 667th edsrzf 🇳🇿 634 175 109ms 10 Jun 2025 668th jared-hughes 634 221 2,403ms 9 Jan 2023 669th Frowny 631 119 118ms 13 Feb 2022 669th prplz 🇦🇺 631 119 15ms 13 Feb 2022 669th bricknellj 631 119 21ms 14 Feb 2023 669th edsrzf 🇳🇿 631 119 21ms 4 Oct 2025 669th ryyyn 🇺🇸 631 119 16ms 9 days ago 674th GolfingSuccess 🇬🇷 631 163 120ms 29 Jul 2025 675th CaedenHarper 🇨🇦 630 101 2,081ms 23 Oct 2025 676th emgordon154 629 93 135ms 7 Aug 2024 677th Yewzir 🇧🇪 629 397 2,450ms 15 Nov 2025 678th stefangimmillaro 628 133 5ms 2 Jul 2023 679th dokutan 627 190 151ms 12 Jul 2024 680th TobyBoyne 🇬🇧 626 120 16ms 18 Feb 2022 680th OllieBoyne 🇬🇧 626 120 16ms 18 Feb 2022 680th petroselo 626 120 201ms 12 Apr 2022 680th inventshah 626 120 15ms 15 Nov 2022 680th CaedenHarper 🇨🇦 626 120 17ms 27 Dec 2024 685th JRaspass 🇬🇧 626 292 351ms 18 May 2022 686th SirBogman 🇺🇸 625 92 34ms 23 Apr 2022 687th ChiefChippy2 624 64 41ms 12 Feb 2022 687th GrayJoKing 🇦🇺 624 64 41ms 13 Feb 2022 689th MeWhenI 🇻🇦 623 108 360ms 15 Feb 2023 690th targrik 623 134 5ms 14 Aug 2025 691st elPossenreisser 623 220 416ms 6 May 2022 692nd ovs-code 🇩🇪 622 94 148ms 17 Apr 2025 692nd rucin93 🇵🇱 622 94 148ms 13 Jun 2025 694th primo-ppcg 🇹🇭 621 121 22ms 4 Mar 2022 694th EnTerr 621 121 24ms 8 Sep 2024 694th Bulmenisaurus 621 121 13ms 3 Oct 2025 697th Beariish 621 158 3ms 27 Mar 2025 698th madex 🇩🇪 620 188 1ms 10 Apr 2022 699th albanian-laundromat 618 103 2,387ms 25 Oct 2025 700th Shanethegamer 🇺🇸 617 184 42ms 6 Sep 2024 701st annaproxy 617 222 411ms 29 Mar 2022 702nd ahmetdemirag 🇨🇾 616 122 15ms 15 Jul 2024 702nd Lv0Sys 🇵🇱 616 122 22ms 6 Dec 2025 704th emgordon154 616 219 755ms 28 May 2025 705th janAkali 🇷🇺 615 208 349ms 9 Oct 2024 706th olivermrose 🇺🇸 614 65 35ms 15 Apr 2022 707th sean-niemann 🇺🇸 614 102 2ms 6 Jun 2023 708th AlephSquirrel 614 108 653ms 21 Jan 2024 709th adlerzei 614 223 416ms 5 May 2022 710th GolfingSuccess 🇬🇷 612 196 122ms 28 Nov 2025 711th efgen 611 120 11ms 28 Dec 2023 712th jared-hughes 611 123 17ms 8 Sep 2022 712th quimey 611 123 15ms 4 Jul 2023 712th htareque 611 123 13ms 17 Oct 2023 715th wackbyte 611 306 254ms 7 Dec 2023 716th msbranicky 609 300 290ms 31 Aug 2023 717th andrewjc2000 606 124 19ms 14 Jan 2026 718th scpchicken 🇵🇼 605 66 38ms 13 Feb 2022 719th Shanethegamer 🇺🇸 604 232 2,410ms 16 Feb 2022 720th bizy-coder 603 110 428ms 16 Jan 2024 First Prev 641–720 of 1,174 Next Last
