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 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 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 450th Maznek 748 98 9ms 6 Jun 2023 450th dgerblick 748 98 12ms 16 Jun 2023 453rd MichalMarsalek 🇨🇿 748 171 385ms 8 Mar 2022 454th the-zammers 748 177 158ms 9 Apr 2024 455th Frowny 747 77 37ms 21 Feb 2022 456th Re-Adventures 🇮🇳 747 250 224ms 20 Jan 2023 457th Shanethegamer 🇺🇸 745 149 105ms 18 Mar 2023 458th Shanethegamer 🇺🇸 745 160 109ms 24 May 2025 459th cakular 744 101 12ms 19 May 2024 460th Shanethegamer 🇺🇸 744 172 376ms 21 Feb 2023 461st HallMatthew314 744 178 136ms 13 Sep 2022 462nd retrohun 742 81 10ms 15 Dec 2023 463rd DialFrost 🇸🇬 742 110 84ms 21 Jun 2025 464th FlyingPenguin223 742 132 3ms 17 Feb 2025 465th vgamula 🇺🇦 741 226 33ms 6 Nov 2023 466th DialFrost 🇸🇬 740 99 9ms 24 Dec 2024 467th MeWhenI 🇻🇦 740 110 1,086ms 11 May 2023 468th scpchicken 🇵🇼 739 57 1,166ms 13 Feb 2022 468th SirBogman 🇺🇸 739 57 1,548ms 23 Jan 2024 470th primo-ppcg 🇹🇭 737 54 36ms 14 Feb 2022 470th janlelis 737 54 67ms 21 Sep 2024 470th ovs-code 🇩🇪 737 54 38ms 27 Dec 2024 470th sean-niemann 🇺🇸 737 54 36ms 3 Aug 2025 474th AlephSquirrel 737 140 6ms 25 Jan 2025 475th Shanethegamer 🇺🇸 737 248 260ms 20 Apr 2022 476th neel11235813 736 102 10ms 16 Jan 2023 477th tailorspy 736 190 54ms 1 Jun 2024 478th zacjl 735 47 2ms 22 Jan 2025 478th GrayJoKing 🇦🇺 735 47 2ms 5 Jun 2025 480th DialFrost 🇸🇬 735 99 1,674ms 5 Sep 2025 481st hemphen 735 186 338ms 20 Oct 2022 482nd MeWhenI 🇻🇦 734 249 262ms 7 Jul 2023 483rd DialFrost 🇸🇬 733 82 31ms 23 Apr 2025 484th chasewalden 733 100 10ms 24 Apr 2023 484th MeWhenI 🇻🇦 733 100 9ms 3 Aug 2024 484th Salutations45 733 100 12ms 12 Nov 2024 487th clockworknazo 732 84 22ms 13 Oct 2022 487th ovs-code 🇩🇪 732 84 23ms 7 Feb 2023 487th edsrzf 🇳🇿 732 84 20ms 18 days ago 490th inventshah 732 182 3ms 14 Sep 2022 491st DialFrost 🇸🇬 730 218 347ms 24 Sep 2025 492nd nullie 730 256 195ms 11 Mar 2025 493rd dokutan 729 91 440ms 14 Sep 2024 494th DialFrost 🇸🇬 729 103 10ms 19 Dec 2022 495th annaproxy 729 141 42ms 14 Dec 2022 496th HPWiz 🇳🇿 728 39 4ms 23 Nov 2023 497th Shanethegamer 🇺🇸 728 183 4ms 11 Sep 2022 498th Natanaelel 🇸🇪 726 58 1,090ms 13 Feb 2022 499th ChiefChippy2 726 101 10ms 12 Feb 2022 499th Frowny 726 101 29ms 16 Feb 2022 499th fitzdotlol 🇺🇸 726 101 9ms 8 Mar 2022 499th neel11235813 726 101 9ms 17 Mar 2024 499th madex 🇩🇪 726 101 9ms 9 Jul 2024 499th wh3n3v3r 🇨🇿 726 101 10ms 8 Nov 2024 505th syntax-rules 725 193 360ms 25 Dec 2022 506th GolfingSuccess 🇬🇷 724 184 3ms 11 Sep 2022 507th antimon2 🇯🇵 723 93 711ms 13 Feb 2022 508th Shanethegamer 🇺🇸 723 220 340ms 24 Sep 2025 508th sean-niemann 🇺🇸 723 220 348ms 24 Sep 2025 510th ovs-code 🇩🇪 722 113 113ms 2 Jul 2025 511th snoozingnewt 🇺🇸 721 92 507ms 28 Sep 2025 512th GolfingSuccess 🇬🇷 721 194 372ms 14 Feb 2022 513th CaedenHarper 🇨🇦 720 101 1,271ms 23 Oct 2025 514th inventshah 719 102 10ms 13 Feb 2022 514th smclaughlin-cf 719 102 11ms 4 Mar 2025 514th Lv0Sys 🇵🇱 719 102 9ms 1 Jun 2025 517th Shanethegamer 🇺🇸 719 190 346ms 9 Apr 2025 518th luuumine 🇫🇷 719 260 210ms 44 hours ago 519th MeWhenI 🇻🇦 718 166 159ms 17 Nov 2022 520th Frowny 716 185 160ms 18 Mar 2022 521st Yax42 🇫🇷 716 191 383ms 26 Jul 2025 522nd Shanethegamer 🇺🇸 716 261 238ms 30 Apr 2022 523rd emgordon154 714 137 18ms 26 Sep 2024 524th GolfingSuccess 🇬🇷 714 163 2ms 5 Dec 2022 525th stefangimmillaro 714 256 45ms 3 Jan 2023 First Prev 451–525 of 1,139 Next Last