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 Minesweeper 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 Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 750th commandblockguy 🇺🇸 571 116 627ms 1 Sep 2025 752nd emgordon154 570 143 9ms 23 Dec 2024 753rd edsrzf 🇳🇿 569 70 41ms 4 Sep 2025 754th mikehanus 569 132 14ms 21 Nov 2023 754th logvp 569 132 17ms 28 Dec 2023 756th arjanadriaanse 🇳🇱 568 50 5ms 23 Feb 2022 757th Indivicivet 565 133 17ms 9 May 2022 757th QuincyNash 🇺🇸 565 133 15ms 2 Dec 2022 757th joll05 🇸🇪 565 133 17ms 1 Oct 2025 760th Yewzir 🇧🇪 561 63 72ms 11 Mar 2024 761st Shanethegamer 🇺🇸 561 184 14ms 4 Oct 2024 762nd Heathcorp 🇦🇺 560 134 26ms 7 Oct 2022 762nd madex 🇩🇪 560 134 37ms 9 Jul 2024 762nd LostSyntax21 🇬🇧 560 134 25ms 2 Dec 2024 762nd Lv0Sys 🇵🇱 560 134 28ms 1 Jun 2025 766th Shanethegamer 🇺🇸 560 149 4ms 2 Jul 2023 767th aposteriorist 🇨🇦 559 240 550ms 28 Feb 2022 768th targrik 559 327 287ms 3 Jul 2025 769th janbehrens 🇩🇪 556 135 27ms 1 Jul 2022 769th mwja 556 135 21ms 21 Aug 2024 771st FlorianCassayre 🇫🇷 555 132 9ms 18 Sep 2022 772nd destofr 554 231 337ms 30 Dec 2022 773rd emgordon154 553 72 49ms 20 Nov 2024 774th martinnorling 🇸🇪 552 136 29ms 15 Feb 2022 774th adoxography 552 136 17ms 20 Mar 2022 774th nullie 552 136 16ms 14 Jun 2022 774th AGoyet 552 136 16ms 17 Jul 2022 774th inverseLorentz 🇦🇺 552 136 26ms 21 Feb 2024 774th HumanoidCPU 552 136 11ms 29 Sep 2024 774th chartung17 552 136 15ms 20 Apr 2025 774th Luke44565 552 136 18ms 10 Aug 2025 774th blaztoma 🇱🇹 552 136 17ms 15 Sep 2025 783rd msbranicky 552 338 309ms 6 Oct 2023 784th inventshah 551 122 2,428ms 7 Nov 2022 785th GolfingSuccess 🇬🇷 549 114 2ms 16 Oct 2024 786th msbranicky 549 244 3,053ms 9 Jan 2025 787th KatieLG 🇬🇧 548 74 6ms 19 Mar 2022 788th nstearns96 🇬🇧 548 137 26ms 15 Dec 2022 788th mossprescott 548 137 11ms 19 Jan 2023 788th taesungh 548 137 24ms 15 Oct 2023 788th PyryL 🇫🇮 548 137 28ms 25 Aug 2024 792nd iczelia 🇩🇪 548 212 3ms 11 Oct 2025 793rd keelimeguy 🇺🇸 548 255 2,255ms 5 Nov 2023 793rd yeminghan2021 548 255 63ms 2 Feb 2025 795th stellartux 547 123 406ms 24 Dec 2023 796th zakariamouhid 547 134 10ms 11 May 2023 797th michelebastione 🇮🇹 544 138 15ms 19 Feb 2022 797th knutae 🇳🇴 544 138 17ms 8 Mar 2022 797th RDShah 544 138 29ms 15 May 2022 797th ImpressedByRocks 544 138 16ms 10 Oct 2024 801st c0d3-4-F00d 🇩🇪 543 214 2ms 24 Feb 2022 802nd codewrite 🇬🇧 542 252 401ms 13 May 2025 803rd MeWhenI 🇻🇦 540 64 3ms 15 Feb 2022 804th Shanethegamer 🇺🇸 540 116 2ms 5 Nov 2022 805th cefqrn 540 139 16ms 20 Dec 2022 805th alfonsoalves 540 139 16ms 1 Mar 2024 805th hiichbindermax 540 139 39ms 19 Sep 2024 805th jacekwladzinski 540 139 12ms 10 Oct 2025 809th m-tkach 🇺🇦 538 74 42ms 25 Jun 2024 810th hjcafaroUC 538 260 2,290ms 20 Aug 2022 811th Bmrl7 536 140 27ms 9 Mar 2024 812th bac0id 536 217 2ms 27 Jun 2024 813th snoozingnewt 🇺🇸 534 253 106ms 8 Oct 2025 814th MeWhenI 🇻🇦 533 76 7ms 16 Apr 2023 815th SirFireball3521 533 141 40ms 7 Feb 2023 815th AstroOrbis 533 141 15ms 12 Jul 2025 815th RaBa21 🇭🇺 533 141 14ms 14 Jul 2025 818th MeWhenI 🇻🇦 533 208 104ms 16 Oct 2022 819th neel11235813 530 125 529ms 17 Mar 2024 820th IlkkaTakala 530 264 2,374ms 20 Dec 2023 821st codewrite 🇬🇧 530 345 269ms 16 Jun 2025 822nd MichalMarsalek 🇨🇿 529 142 15ms 14 Feb 2022 822nd marcin7Cd 529 142 18ms 20 Feb 2022 824th MeWhenI 🇻🇦 528 317 35ms 6 Jun 2023 825th varhammer 🇷🇺 526 196 6ms 13 Dec 2023 First Prev 751–825 of 1,127 Next Last