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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 800th mwja 557 135 16ms 21 Aug 2024 802nd FlorianCassayre 🇫🇷 556 132 10ms 18 Sep 2022 803rd emgordon154 555 72 37ms 20 Nov 2024 803rd Lv0Sys 🇵🇱 555 72 39ms 6 Dec 2025 805th destofr 554 231 383ms 30 Dec 2022 806th martinnorling 🇸🇪 553 136 31ms 15 Feb 2022 806th adoxography 553 136 15ms 20 Mar 2022 806th nullie 553 136 16ms 14 Jun 2022 806th AGoyet 553 136 15ms 17 Jul 2022 806th inverseLorentz 🇦🇺 553 136 22ms 21 Feb 2024 806th HumanoidCPU 553 136 11ms 29 Sep 2024 806th chartung17 553 136 15ms 20 Apr 2025 806th Luke44565 553 136 17ms 10 Aug 2025 806th Bmrl7 553 136 25ms 21 Dec 2025 815th msbranicky 553 338 284ms 6 Oct 2023 816th msbranicky 552 244 2,393ms 9 Jan 2025 817th inventshah 551 122 2,463ms 7 Nov 2022 818th iczelia 🇩🇪 550 212 1ms 11 Oct 2025 819th keelimeguy 🇺🇸 550 255 2,852ms 5 Nov 2023 819th yeminghan2021 550 255 66ms 2 Feb 2025 821st nstearns96 🇬🇧 549 137 22ms 15 Dec 2022 821st mossprescott 549 137 11ms 19 Jan 2023 821st taesungh 549 137 17ms 15 Oct 2023 821st PyryL 🇫🇮 549 137 21ms 25 Aug 2024 825th KatieLG 🇬🇧 548 74 5ms 19 Mar 2022 826th zakariamouhid 548 134 10ms 11 May 2023 827th stellartux 547 123 349ms 24 Dec 2023 828th michelebastione 🇮🇹 545 138 16ms 19 Feb 2022 828th knutae 🇳🇴 545 138 16ms 8 Mar 2022 828th RDShah 545 138 31ms 15 May 2022 828th ImpressedByRocks 545 138 16ms 10 Oct 2024 832nd c0d3-4-F00d 🇩🇪 544 214 2ms 24 Feb 2022 833rd codewrite 🇬🇧 544 252 432ms 13 May 2025 834th Shanethegamer 🇺🇸 542 116 1ms 5 Nov 2022 834th GolfingSuccess 🇬🇷 542 116 2ms 12 days ago 836th cefqrn 541 139 16ms 20 Dec 2022 836th alfonsoalves 541 139 17ms 1 Mar 2024 836th hiichbindermax 541 139 35ms 19 Sep 2024 836th jacekwladzinski 541 139 12ms 10 Oct 2025 840th MeWhenI 🇻🇦 540 64 2ms 15 Feb 2022 841st m-tkach 🇺🇦 540 74 39ms 25 Jun 2024 842nd hjcafaroUC 539 260 2,924ms 20 Aug 2022 843rd bac0id 537 217 1ms 27 Jun 2024 844th snoozingnewt 🇨🇦 534 253 108ms 8 Oct 2025 845th MeWhenI 🇻🇦 533 76 5ms 16 Apr 2023 846th SirFireball3521 533 141 38ms 7 Feb 2023 846th AstroOrbis 533 141 16ms 12 Jul 2025 846th RaBa21 🇭🇺 533 141 11ms 14 Jul 2025 846th osNiko 🇧🇷 533 141 17ms 30 Dec 2025 850th MeWhenI 🇻🇦 533 208 108ms 16 Oct 2022 851st neel11235813 531 125 450ms 17 Mar 2024 852nd IlkkaTakala 531 264 2,849ms 20 Dec 2023 853rd KatieLG 🇬🇧 531 470 1,882ms 21 Nov 2025 854th codewrite 🇬🇧 530 345 271ms 16 Jun 2025 855th MichalMarsalek 🇨🇿 529 142 17ms 14 Feb 2022 855th marcin7Cd 529 142 15ms 20 Feb 2022 857th JOrE20 529 357 62ms 18 days ago 858th SniperSmiley 🇺🇸 526 143 17ms 8 Jul 2022 858th Europe2048 526 143 23ms 22 Oct 2024 858th moustave 526 143 11ms 7 Apr 2025 861st varhammer 526 196 5ms 13 Dec 2023 862nd janbehrens 🇩🇪 525 128 1,626ms 23 Feb 2022 863rd randolchance 522 144 17ms 4 Jan 2024 863rd roupiq 🇵🇱 522 144 17ms 1 Mar 2024 863rd robin-scragg 522 144 16ms 22 Aug 2025 863rd Deppyforce 522 144 17ms 9 Nov 2025 867th warmCabin 522 223 2ms 15 Apr 2022 868th postie77 521 263 391ms 19 May 2023 869th Shanethegamer 🇺🇸 520 224 2ms 28 May 2025 870th MeWhenI 🇻🇦 520 246 401ms 27 Jul 2024 871st DialFrost 🇸🇬 519 77 35ms 25 Dec 2024 872nd MeWhenI 🇻🇦 519 255 150ms 13 Feb 2022 873rd ovs-code 🇩🇪 519 398 8ms 8 Jul 2024 874th LeeCamp 518 145 16ms 14 Feb 2022 874th hellwue 518 145 11ms 7 Feb 2023 874th adamnielson42 🇺🇸 518 145 23ms 8 Oct 2024 874th Mabeloid 🇳🇴 518 145 26ms 4 May 2025 874th te-chnical 518 145 16ms 9 Jul 2025 879th retrohun 515 122 2ms 5 days ago 880th karhuthebear 515 146 17ms 6 May 2022 First Prev 801–880 of 1,180 Next Last