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 801st martinnorling 🇸🇪 553 136 31ms 15 Feb 2022 801st adoxography 553 136 16ms 20 Mar 2022 801st nullie 553 136 16ms 14 Jun 2022 801st AGoyet 553 136 17ms 17 Jul 2022 801st inverseLorentz 🇦🇺 553 136 22ms 21 Feb 2024 801st HumanoidCPU 553 136 11ms 29 Sep 2024 801st chartung17 553 136 16ms 20 Apr 2025 801st Luke44565 553 136 17ms 10 Aug 2025 801st Bmrl7 553 136 26ms 21 Dec 2025 810th msbranicky 553 338 238ms 6 Oct 2023 811th msbranicky 552 244 2,393ms 9 Jan 2025 812th inventshah 551 122 2,463ms 7 Nov 2022 813th iczelia 🇩🇪 550 212 1ms 11 Oct 2025 814th keelimeguy 🇺🇸 550 255 2,403ms 5 Nov 2023 814th yeminghan2021 550 255 63ms 2 Feb 2025 816th GolfingSuccess 🇬🇷 549 114 2ms 16 Oct 2024 817th nstearns96 🇬🇧 549 137 22ms 15 Dec 2022 817th mossprescott 549 137 11ms 19 Jan 2023 817th taesungh 549 137 17ms 15 Oct 2023 817th PyryL 🇫🇮 549 137 22ms 25 Aug 2024 821st KatieLG 🇬🇧 548 74 5ms 19 Mar 2022 822nd stellartux 547 123 349ms 24 Dec 2023 823rd zakariamouhid 547 134 11ms 11 May 2023 824th michelebastione 🇮🇹 545 138 17ms 19 Feb 2022 824th knutae 🇳🇴 545 138 16ms 8 Mar 2022 824th RDShah 545 138 31ms 15 May 2022 824th ImpressedByRocks 545 138 16ms 10 Oct 2024 828th c0d3-4-F00d 🇩🇪 544 214 2ms 24 Feb 2022 829th codewrite 🇬🇧 543 252 432ms 13 May 2025 830th cefqrn 541 139 16ms 20 Dec 2022 830th alfonsoalves 541 139 17ms 1 Mar 2024 830th hiichbindermax 541 139 39ms 19 Sep 2024 830th jacekwladzinski 541 139 12ms 10 Oct 2025 834th MeWhenI 🇻🇦 540 64 2ms 15 Feb 2022 835th m-tkach 🇺🇦 540 74 42ms 25 Jun 2024 836th Shanethegamer 🇺🇸 540 116 2ms 5 Nov 2022 837th hjcafaroUC 539 260 2,434ms 20 Aug 2022 838th bac0id 537 217 1ms 27 Jun 2024 839th snoozingnewt 🇨🇦 534 253 107ms 8 Oct 2025 840th MeWhenI 🇻🇦 533 76 5ms 16 Apr 2023 841st SirFireball3521 533 141 38ms 7 Feb 2023 841st AstroOrbis 533 141 16ms 12 Jul 2025 841st RaBa21 🇭🇺 533 141 11ms 14 Jul 2025 841st osNiko 🇧🇷 533 141 17ms 30 Dec 2025 845th MeWhenI 🇻🇦 533 208 101ms 16 Oct 2022 846th neel11235813 531 125 450ms 17 Mar 2024 847th IlkkaTakala 531 264 2,451ms 20 Dec 2023 848th KatieLG 🇬🇧 531 470 1,882ms 21 Nov 2025 849th codewrite 🇬🇧 530 345 296ms 16 Jun 2025 850th MichalMarsalek 🇨🇿 529 142 17ms 14 Feb 2022 850th marcin7Cd 529 142 15ms 20 Feb 2022 852nd JOrE20 529 357 62ms 6 hours ago 853rd varhammer 🇷🇺 526 196 5ms 13 Dec 2023 854th janbehrens 🇩🇪 525 128 1,626ms 23 Feb 2022 855th SniperSmiley 🇺🇸 525 143 17ms 8 Jul 2022 855th Europe2048 525 143 26ms 22 Oct 2024 855th moustave 525 143 12ms 7 Apr 2025 858th MeWhenI 🇻🇦 523 139 1,899ms 15 Sep 2025 859th randolchance 522 144 17ms 4 Jan 2024 859th roupiq 🇵🇱 522 144 17ms 1 Mar 2024 859th robin-scragg 522 144 17ms 22 Aug 2025 859th Deppyforce 522 144 17ms 9 Nov 2025 863rd warmCabin 522 223 2ms 15 Apr 2022 864th Shanethegamer 🇺🇸 520 224 2ms 28 May 2025 865th MeWhenI 🇻🇦 520 246 363ms 27 Jul 2024 866th postie77 520 263 391ms 19 May 2023 867th DialFrost 🇸🇬 519 77 41ms 25 Dec 2024 868th MeWhenI 🇻🇦 519 255 150ms 13 Feb 2022 869th ovs-code 🇩🇪 519 398 9ms 8 Jul 2024 870th LeeCamp 518 145 16ms 14 Feb 2022 870th hellwue 518 145 11ms 7 Feb 2023 870th adamnielson42 🇺🇸 518 145 24ms 8 Oct 2024 870th Mabeloid 🇳🇴 518 145 28ms 4 May 2025 870th te-chnical 518 145 16ms 9 Jul 2025 875th karhuthebear 515 146 18ms 6 May 2022 875th Bonjour27891 🇻🇳 515 146 11ms 17 Jul 2022 875th Player01osu 515 146 10ms 28 Oct 2023 875th Aquateraneal 515 146 23ms 16 Jan 2026 879th nephila-nacrea 🇬🇧 513 79 5ms 20 Feb 2022 880th error256 511 51 3ms 6 May 2024 First Prev 801–880 of 1,172 Next Last