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 900th aksyristos 484 155 12ms 29 Nov 2022 900th b10011 🇫🇮 484 155 22ms 21 Jan 2023 900th Stockoh 🇫🇷 484 155 22ms 17 Oct 2024 904th yoshykai 484 329 328ms 8 Apr 2025 905th bac0id 482 330 316ms 27 Jun 2024 906th Frowny 480 72 3ms 14 Feb 2022 907th lionbryce 480 204 1ms 7 Aug 2024 908th trist224 🇫🇷 478 157 13ms 29 Nov 2022 908th TaserTheFox 🇺🇸 478 157 18ms 20 Jan 2023 910th pandapawskat 478 243 2ms 9 Dec 2022 911th genmeblog 477 169 10ms 11 Dec 2023 912th dokutan 474 281 2ms 5 Aug 2024 913th HumanoidCPU 473 155 9ms 8 Oct 2024 914th neihousaigaai 472 159 20ms 20 Feb 2022 914th brimstonetrader 472 159 16ms 8 Jan 2024 916th janbehrens 🇩🇪 472 177 4ms 6 Jul 2023 917th bac0id 471 290 366ms 27 Jun 2024 918th strattonwhisler 470 156 10ms 6 Jul 2023 919th AdamMorris377 469 160 18ms 29 Aug 2024 919th Emutis 🇱🇹 469 160 16ms 2 Nov 2024 921st crhenley 🇺🇸 469 248 2ms 30 Oct 2023 921st heanyang1 469 248 2ms 1 Jun 2025 923rd c0d3-4-F00d 🇩🇪 468 292 328ms 21 Feb 2022 924th szymex73 🇵🇱 467 249 2ms 17 Feb 2024 925th Natanaelel 🇸🇪 466 61 5ms 10 Jan 2024 926th juliansiebert 🇩🇪 466 124 377ms 21 Jul 2022 927th emgordon154 465 250 2ms 17 Jul 2024 928th glesnick 464 162 20ms 15 Jul 2022 928th m42km 464 162 32ms 3 Feb 2024 928th nilan425 464 162 16ms 4 Jul 2025 931st dokutan 461 146 693ms 20 Sep 2024 932nd zlee1 461 163 19ms 27 Apr 2022 932nd aglahir1 461 163 20ms 20 Jul 2022 932nd FortuiteMan 🇫🇷 461 163 10ms 3 Sep 2023 935th 1231234md5 🇨🇳 461 303 63ms 8 Jan 2024 936th KatieLG 🇬🇧 459 182 4ms 8 Aug 2024 937th ChrisTheisen 459 298 352ms 19 Dec 2022 938th akiratee 458 87 43ms 23 days ago 939th Mabeloid 🇳🇴 457 145 548ms 4 May 2025 940th KatieLG 🇬🇧 457 299 406ms 25 Oct 2022 941st tomh1012 457 306 2,422ms 4 Mar 2022 942nd yishayv 455 165 18ms 24 Jan 2023 942nd Aquateraneal 455 165 16ms 12 Aug 2025 944th Mabeloid 🇳🇴 454 256 2ms 29 Sep 2024 945th za3k 452 166 12ms 8 Oct 2022 945th willdaspit 452 166 17ms 5 Aug 2023 947th weliveinhell 🇭🇹 452 257 2ms 16 Jan 2024 948th Jacob385 452 352 344ms 29 Feb 2024 949th snoozingnewt 🇺🇸 451 181 119ms 22 days ago 950th Chinay-Domitrix 🇺🇸 451 297 2,299ms 28 Mar 2025 951st bidger 451 353 311ms 12 Aug 2023 952nd bbakersmith 450 167 17ms 28 Jun 2022 953rd hamhub7 450 304 339ms 12 Aug 2022 954th MeWhenI 🇻🇦 449 128 46ms 13 Feb 2022 955th Stockoh 🇫🇷 448 148 577ms 24 Jun 2024 956th annaproxy 447 89 37ms 14 Sep 2023 957th msbranicky 447 168 16ms 5 Aug 2023 958th MichaelMBradley 🇨🇦 444 169 14ms 25 May 2022 958th try-except-try-accept 🇹🇭 444 169 16ms 27 Jun 2022 958th jameswmccarty 444 169 20ms 13 Sep 2024 961st aksyristos 442 90 37ms 8 Feb 2023 962nd Y0UR-U5ERNAME 442 170 17ms 22 Feb 2023 962nd FoxFGC 442 170 17ms 30 Nov 2023 964th stellartux 441 222 2ms 26 Dec 2023 965th Eugen-str 439 171 18ms 1 Nov 2023 965th ridingqwerty 🇺🇸 439 171 16ms 20 May 2025 967th andrewjc2000 437 172 19ms 19 Aug 2025 968th eiburns 435 366 302ms 28 Feb 2022 969th KatieLG-Transpiler 🇬🇧 430 154 508ms 16 Aug 2024 970th RZ781 429 175 10ms 27 Nov 2023 971st HumanEquivalentUnit 428 135 266ms 17 Feb 2022 972nd m42km 428 155 563ms 9 Feb 2024 973rd jhpaques 🇫🇷 427 176 18ms 27 Jul 2022 974th Florian-Mt 424 177 20ms 15 Jul 2024 975th 1231234md5 🇨🇳 420 277 2ms 14 Dec 2023 First Prev 901–975 of 1,126 Next Last