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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 751st arjanadriaanse 🇳🇱 568 50 5ms 23 Feb 2022 752nd Indivicivet 564 133 17ms 9 May 2022 752nd QuincyNash 🇺🇸 564 133 15ms 2 Dec 2022 752nd joll05 🇸🇪 564 133 17ms 23 days ago 755th Shanethegamer 🇺🇸 561 184 14ms 4 Oct 2024 756th Yewzir 🇧🇪 560 63 72ms 11 Mar 2024 757th Heathcorp 🇦🇺 560 134 26ms 7 Oct 2022 757th madex 🇩🇪 560 134 37ms 9 Jul 2024 757th LostSyntax21 🇬🇧 560 134 25ms 2 Dec 2024 757th Lv0Sys 🇵🇱 560 134 28ms 1 Jun 2025 761st Shanethegamer 🇺🇸 560 149 4ms 2 Jul 2023 762nd aposteriorist 🇨🇦 559 240 550ms 28 Feb 2022 763rd targrik 559 327 283ms 3 Jul 2025 764th janbehrens 🇩🇪 556 135 27ms 1 Jul 2022 764th mwja 556 135 21ms 21 Aug 2024 766th FlorianCassayre 🇫🇷 555 132 9ms 18 Sep 2022 767th destofr 554 231 474ms 30 Dec 2022 768th emgordon154 553 72 49ms 20 Nov 2024 769th martinnorling 🇸🇪 552 136 29ms 15 Feb 2022 769th adoxography 552 136 17ms 20 Mar 2022 769th nullie 552 136 16ms 14 Jun 2022 769th AGoyet 552 136 16ms 17 Jul 2022 769th inverseLorentz 🇦🇺 552 136 26ms 21 Feb 2024 769th HumanoidCPU 552 136 11ms 29 Sep 2024 769th chartung17 552 136 15ms 20 Apr 2025 769th Luke44565 552 136 18ms 10 Aug 2025 769th blaztoma 🇱🇹 552 136 17ms 15 Sep 2025 778th msbranicky 552 338 298ms 6 Oct 2023 779th inventshah 551 122 2,428ms 7 Nov 2022 780th GolfingSuccess 🇬🇷 549 114 2ms 16 Oct 2024 781st msbranicky 549 244 2,709ms 9 Jan 2025 782nd KatieLG 🇬🇧 548 74 6ms 19 Mar 2022 783rd nstearns96 🇬🇧 548 137 26ms 15 Dec 2022 783rd mossprescott 548 137 11ms 19 Jan 2023 783rd taesungh 548 137 24ms 15 Oct 2023 783rd PyryL 🇫🇮 548 137 28ms 25 Aug 2024 787th keelimeguy 🇺🇸 548 255 2,537ms 5 Nov 2023 787th yeminghan2021 548 255 71ms 2 Feb 2025 789th stellartux 547 123 406ms 24 Dec 2023 790th iczelia 🇩🇪 547 212 3ms 13 days ago 791st zakariamouhid 546 134 10ms 11 May 2023 792nd michelebastione 🇮🇹 544 138 15ms 19 Feb 2022 792nd knutae 🇳🇴 544 138 17ms 8 Mar 2022 792nd RDShah 544 138 29ms 15 May 2022 792nd ImpressedByRocks 544 138 16ms 10 Oct 2024 796th c0d3-4-F00d 🇩🇪 542 214 2ms 24 Feb 2022 797th codewrite 🇬🇧 542 252 401ms 13 May 2025 798th MeWhenI 🇻🇦 540 64 3ms 15 Feb 2022 799th Shanethegamer 🇺🇸 540 116 2ms 5 Nov 2022 800th cefqrn 540 139 16ms 20 Dec 2022 800th alfonsoalves 540 139 16ms 1 Mar 2024 800th hiichbindermax 540 139 39ms 19 Sep 2024 800th jacekwladzinski 540 139 12ms 14 days ago 804th m-tkach 🇺🇦 538 74 42ms 25 Jun 2024 805th hjcafaroUC 537 260 2,433ms 20 Aug 2022 806th Bmrl7 536 140 27ms 9 Mar 2024 807th bac0id 535 217 2ms 27 Jun 2024 808th snoozingnewt 🇺🇸 534 253 121ms 15 days ago 809th MeWhenI 🇻🇦 533 76 7ms 16 Apr 2023 810th MeWhenI 🇻🇦 533 208 126ms 16 Oct 2022 811th SirFireball3521 532 141 40ms 7 Feb 2023 811th AstroOrbis 532 141 15ms 12 Jul 2025 811th RaBa21 🇭🇺 532 141 14ms 14 Jul 2025 814th neel11235813 530 125 529ms 17 Mar 2024 815th codewrite 🇬🇧 530 345 294ms 16 Jun 2025 816th MichalMarsalek 🇨🇿 529 142 15ms 14 Feb 2022 816th marcin7Cd 529 142 18ms 20 Feb 2022 818th IlkkaTakala 529 264 2,569ms 20 Dec 2023 819th MeWhenI 🇻🇦 528 317 35ms 6 Jun 2023 820th varhammer 🇷🇺 526 196 6ms 13 Dec 2023 821st janbehrens 🇩🇪 525 128 2,070ms 23 Feb 2022 822nd SniperSmiley 🇺🇸 525 143 18ms 8 Jul 2022 822nd Europe2048 525 143 26ms 22 Oct 2024 822nd moustave 525 143 14ms 7 Apr 2025 825th MeWhenI 🇻🇦 523 139 1,152ms 15 Sep 2025 First Prev 751–825 of 1,113 Next Last