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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 797th Aquateraneal 🇺🇸 574 131 17ms 6 Mar 2026 802nd SirBogman 🇺🇸 573 116 573ms 16 Jan 2024 802nd commandz0 🇺🇸 573 116 571ms 1 Sep 2025 804th mikehanus 570 132 16ms 21 Nov 2023 804th logvp 570 132 15ms 28 Dec 2023 806th arjanadriaanse 🇳🇱 568 50 5ms 23 Feb 2022 807th Shanethegamer 🇺🇸 566 184 11ms 4 Oct 2024 808th Indivicivet 565 133 16ms 9 May 2022 808th QuincyNash 🇺🇸 565 133 16ms 2 Dec 2022 808th joll05 🇸🇪 565 133 16ms 1 Oct 2025 811th aposteriorist 🇨🇦 565 240 473ms 28 Feb 2022 812th Jonson26 565 283 378ms 36 hours ago 813th Shanethegamer 🇺🇸 562 149 5ms 2 Jul 2023 814th Heathcorp 🇦🇺 561 134 22ms 7 Oct 2022 814th madex 🇩🇪 561 134 25ms 9 Jul 2024 814th LostSyntax21 🇬🇧 561 134 25ms 2 Dec 2024 817th targrik 560 327 334ms 3 Jul 2025 818th jusaka 559 62 3ms 2 days ago 819th destofr 559 231 383ms 30 Dec 2022 820th janbehrens 🇩🇪 557 135 23ms 1 Jul 2022 820th mwja 557 135 17ms 21 Aug 2024 822nd emgordon154 556 72 37ms 20 Nov 2024 822nd Lv0Sys 🇵🇱 556 72 37ms 6 Dec 2025 824th FlorianCassayre 🇫🇷 556 132 11ms 18 Sep 2022 825th msbranicky 555 244 2,381ms 9 Jan 2025 826th not-a-pokemon 554 188 10ms 32 hours ago 827th msbranicky 554 338 262ms 6 Oct 2023 828th inventshah 553 122 2,218ms 7 Nov 2022 829th martinnorling 🇸🇪 553 136 30ms 15 Feb 2022 829th adoxography 553 136 15ms 20 Mar 2022 829th nullie 553 136 15ms 14 Jun 2022 829th AGoyet 553 136 16ms 17 Jul 2022 829th inverseLorentz 🇦🇺 553 136 24ms 21 Feb 2024 829th HumanoidCPU 553 136 11ms 29 Sep 2024 829th chartung17 553 136 17ms 20 Apr 2025 829th Luke44565 553 136 22ms 10 Aug 2025 829th Bmrl7 553 136 23ms 21 Dec 2025 838th keelimeguy 🇺🇸 551 255 2,959ms 5 Nov 2023 838th yeminghan2021 551 255 68ms 2 Feb 2025 840th KatieLG 🇬🇧 550 74 5ms 19 Mar 2022 841st iczelia 🇩🇪 550 212 1ms 11 Oct 2025 842nd nstearns96 🇬🇧 549 137 23ms 15 Dec 2022 842nd mossprescott 549 137 11ms 19 Jan 2023 842nd taesungh 549 137 16ms 15 Oct 2023 842nd PyryL 🇫🇮 549 137 23ms 25 Aug 2024 846th stellartux 548 123 364ms 24 Dec 2023 847th zakariamouhid 548 134 14ms 11 May 2023 848th michelebastione 🇮🇹 545 138 18ms 19 Feb 2022 848th knutae 🇳🇴 545 138 17ms 8 Mar 2022 848th RDShah 545 138 32ms 15 May 2022 848th ImpressedByRocks 545 138 19ms 10 Oct 2024 852nd c0d3-4-F00d 🇩🇪 545 214 2ms 24 Feb 2022 853rd codewrite 🇬🇧 544 252 437ms 13 May 2025 854th MeWhenI 🇻🇦 542 64 2ms 15 Feb 2022 855th Shanethegamer 🇺🇸 542 116 1ms 5 Nov 2022 855th GolfingSuccess 🇬🇷 542 116 2ms 22 Feb 2026 857th m-tkach 🇺🇦 541 74 41ms 25 Jun 2024 858th cefqrn 541 139 16ms 20 Dec 2022 858th alfonsoalves 541 139 16ms 1 Mar 2024 858th hiichbindermax 541 139 41ms 19 Sep 2024 858th jacekwladzinski 541 139 14ms 10 Oct 2025 862nd hjcafaroUC 540 260 2,974ms 20 Aug 2022 863rd snoozingnewt 🇨🇦 539 253 111ms 8 Oct 2025 864th bac0id 538 217 1ms 27 Jun 2024 865th MeWhenI 🇻🇦 537 208 118ms 16 Oct 2022 866th MeWhenI 🇻🇦 535 76 5ms 16 Apr 2023 867th JOrE20 535 357 62ms 16 Feb 2026 868th SirFireball3521 533 141 37ms 7 Feb 2023 868th AstroOrbis 533 141 16ms 12 Jul 2025 868th RaBa21 🇭🇺 533 141 10ms 14 Jul 2025 868th osNiko 🇧🇷 533 141 19ms 30 Dec 2025 872nd IlkkaTakala 532 264 2,987ms 20 Dec 2023 873rd neel11235813 531 125 554ms 17 Mar 2024 874th varhammer 531 196 6ms 13 Dec 2023 875th codewrite 🇬🇧 531 345 345ms 16 Jun 2025 876th MichalMarsalek 🇨🇿 529 142 16ms 14 Feb 2022 876th marcin7Cd 529 142 15ms 20 Feb 2022 878th janbehrens 🇩🇪 527 128 1,972ms 23 Feb 2022 879th SniperSmiley 🇺🇸 526 143 15ms 8 Jul 2022 879th Europe2048 526 143 26ms 22 Oct 2024 First Prev 801–880 of 1,245 Next Last