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 561st GrayJoKing 🇦🇺 702 60 1,286ms 8 May 2022 562nd Alex-x90 🇺🇸 702 166 2ms 8 Feb 2023 563rd stefangimmillaro 701 57 38ms 18 Feb 2022 563rd tatzyr 🇯🇵 701 57 42ms 26 Feb 2025 565th vgamula 🇺🇦 700 226 32ms 6 Nov 2023 566th JunkIce 699 95 403ms 3 Dec 2024 567th Mandrzejy 🇵🇱 698 167 1ms 3 Nov 2024 568th stefangimmillaro 698 193 2,596ms 12 Nov 2024 569th stefangimmillaro 698 262 284ms 5 May 2025 569th edsrzf 🇳🇿 698 262 294ms 10 Jun 2025 571st primo-ppcg 🇹🇭 696 48 1,032ms 15 Feb 2022 572nd emgordon154 694 118 1,301ms 3 Dec 2024 573rd Sp3000 🇦🇺 693 41 4ms 19 Jan 2024 573rd MeWhenI 🇻🇦 693 41 5ms 2 Mar 2025 575th KingSkyrock 🇺🇸 692 106 10ms 17 Mar 2022 576th ian-h-chamberlain 🇺🇸 692 270 216ms 13 Nov 2025 577th lifthrasiir 🇰🇷 691 50 3ms 28 Nov 2024 578th KatieLG 🇬🇧 691 96 485ms 28 Oct 2024 579th CaedenHarper 🇨🇦 690 231 538ms 5 Oct 2025 580th Shanethegamer 🇺🇸 689 58 38ms 13 Feb 2022 580th SirBogman 🇺🇸 689 58 40ms 10 Jan 2024 582nd Ripick 688 186 389ms 24 Jun 2025 583rd edsrzf 🇳🇿 686 38 4ms 14 Oct 2025 584th MathisBullinger 686 107 11ms 11 May 2022 584th CaedenHarper 🇨🇦 686 107 10ms 23 Aug 2025 586th iakolzin 684 205 59ms 1 Jul 2022 587th nwellnhof 🇩🇪 683 110 335ms 24 May 2022 587th AlephSquirrel 683 110 219ms 29 May 2023 587th 5cw 🇺🇸 683 110 259ms 9 May 2024 587th Seek64 🇩🇪 683 110 292ms 13 Sep 2024 591st revlayle 🇺🇸 682 201 388ms 9 Dec 2022 592nd CatsAreFluffy 681 206 62ms 24 Feb 2023 593rd janbehrens 🇩🇪 678 199 505ms 26 Mar 2022 594th roavin 678 202 394ms 30 Jun 2022 595th shinh 677 59 42ms 21 Jun 2022 595th lacrosse 677 59 42ms 13 Dec 2025 597th Mikey-Beep 🇬🇧 675 203 394ms 2 Sep 2024 597th tomh1012 675 203 409ms 5 Sep 2025 599th 386asm 🇺🇸 675 222 43ms 5 May 2023 600th randolchance 673 109 11ms 4 Jan 2024 601st edsrzf 🇳🇿 673 124 5ms 6 Oct 2025 602nd MeWhenI 🇻🇦 671 112 239ms 22 May 2024 603rd MeWhenI 🇻🇦 670 146 6ms 13 Aug 2024 604th prestosilver 🇺🇸 670 174 1ms 18 Nov 2025 605th albanian-laundromat 668 39 4ms 21 days ago 606th Natanaelel 🇸🇪 668 86 33ms 29 Jan 2024 607th janbehrens 🇩🇪 667 6 49ms 25 Nov 2022 608th edsrzf 🇳🇿 667 182 126ms 30 Nov 2025 609th snoozingnewt 🇨🇦 666 60 38ms 22 days ago 610th alemelis 666 101 767ms 26 Aug 2024 611th Shanethegamer 🇺🇸 665 61 5ms 13 Feb 2022 612th xnor-gate 665 113 38ms 14 Feb 2022 613th Shanethegamer 🇺🇸 665 122 7ms 12 Apr 2024 614th janbehrens 🇩🇪 665 206 399ms 26 Feb 2022 615th Garklein 🇨🇦 664 52 3ms 13 Feb 2022 615th Natanaelel 🇸🇪 664 52 2ms 14 Jul 2023 615th SirBogman 🇺🇸 664 52 2ms 6 Nov 2023 618th oeb25 663 282 215ms 16 May 2022 619th billings7 🇬🇧 662 207 406ms 16 Apr 2022 620th two-bad 🇬🇧 661 111 9ms 25 Feb 2024 621st jmerle 🇳🇱 659 114 16ms 15 Feb 2023 622nd jgbaldwinbrown 658 177 2ms 15 Jun 2022 623rd IISResetMe 657 88 379ms 25 Dec 2025 624th m-tkach 🇺🇦 657 101 465ms 21 Jan 2024 625th edsrzf 🇳🇿 657 282 6ms 20 Feb 2025 626th rniii 655 61 40ms 15 Sep 2023 626th olleicua 🇺🇸 655 61 39ms 6 Jan 2024 626th anter69 🇭🇺 655 61 66ms 2 Apr 2024 626th xsot 🇸🇬 655 61 39ms 23 Apr 2025 626th beirigo 🇧🇷 655 61 40ms 17 Oct 2025 631st lynn 654 115 13ms 12 Feb 2022 631st Kacarott 🇦🇺 654 115 412ms 4 Feb 2025 633rd CatsAreFluffy 654 178 2ms 24 Feb 2023 634th MeWhenI 🇻🇦 653 204 2ms 11 Sep 2022 635th jerrandolph 653 280 290ms 19 Dec 2023 636th Florian-Mt 653 286 277ms 15 Jul 2024 637th WalrusesAreAwesome 652 210 375ms 17 days ago 638th UnderKoen 🇳🇱 652 284 13ms 26 Aug 2025 639th TehFlaminTaco 649 113 36ms 10 Nov 2022 640th thehylian 648 116 16ms 14 Jan 2023 First Prev 561–640 of 1,180 Next Last