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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Multitap Input 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 ><> 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 ArkScript 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 ArkScript 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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus 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 Multitap Input 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 JunkIce 699 95 364ms 3 Dec 2024 562nd Mandrzejy 🇵🇱 698 167 1ms 3 Nov 2024 563rd stefangimmillaro 698 193 2,519ms 12 Nov 2024 564th stefangimmillaro 698 262 252ms 5 May 2025 564th edsrzf 🇳🇿 698 262 253ms 10 Jun 2025 566th primo-ppcg 🇹🇭 696 48 1,032ms 15 Feb 2022 567th Sp3000 🇦🇺 693 41 4ms 19 Jan 2024 567th MeWhenI 🇻🇦 693 41 5ms 2 Mar 2025 569th KingSkyrock 🇺🇸 692 106 11ms 17 Mar 2022 570th ian-h-chamberlain 🇺🇸 692 270 208ms 13 Nov 2025 571st lifthrasiir 🇰🇷 691 50 3ms 28 Nov 2024 572nd KatieLG 🇬🇧 691 96 441ms 28 Oct 2024 573rd CaedenHarper 🇨🇦 690 231 448ms 5 Oct 2025 574th emgordon154 689 118 1,252ms 3 Dec 2024 575th Shanethegamer 🇺🇸 688 58 41ms 13 Feb 2022 575th SirBogman 🇺🇸 688 58 42ms 10 Jan 2024 577th Ripick 688 186 352ms 24 Jun 2025 578th edsrzf 🇳🇿 686 38 4ms 14 Oct 2025 579th MathisBullinger 685 107 10ms 11 May 2022 579th CaedenHarper 🇨🇦 685 107 12ms 23 Aug 2025 581st iakolzin 684 205 58ms 1 Jul 2022 582nd nwellnhof 🇩🇪 683 110 475ms 24 May 2022 582nd AlephSquirrel 683 110 264ms 29 May 2023 582nd 5cw 🇺🇸 683 110 259ms 9 May 2024 582nd Seek64 🇩🇪 683 110 387ms 13 Sep 2024 586th CatsAreFluffy 681 206 63ms 24 Feb 2023 587th revlayle 🇺🇸 680 201 388ms 9 Dec 2022 588th janbehrens 🇩🇪 678 199 491ms 26 Mar 2022 589th roavin 677 202 394ms 30 Jun 2022 590th shinh 676 59 45ms 21 Jun 2022 590th lacrosse 676 59 42ms 13 Dec 2025 592nd 386asm 🇺🇸 675 222 43ms 5 May 2023 593rd randolchance 673 109 10ms 4 Jan 2024 594th edsrzf 🇳🇿 673 124 5ms 6 Oct 2025 595th Mikey-Beep 🇬🇧 673 203 394ms 2 Sep 2024 595th tomh1012 673 203 418ms 5 Sep 2025 597th MeWhenI 🇻🇦 671 112 209ms 22 May 2024 598th MeWhenI 🇻🇦 670 146 6ms 13 Aug 2024 599th prestosilver 🇺🇸 670 174 1ms 18 Nov 2025 600th Natanaelel 🇸🇪 668 86 34ms 29 Jan 2024 601st janbehrens 🇩🇪 667 6 49ms 25 Nov 2022 602nd alemelis 666 101 794ms 26 Aug 2024 603rd Shanethegamer 🇺🇸 665 61 5ms 13 Feb 2022 604th xnor-gate 665 113 35ms 14 Feb 2022 605th Garklein 🇨🇦 664 52 3ms 13 Feb 2022 605th Natanaelel 🇸🇪 664 52 2ms 14 Jul 2023 605th SirBogman 🇺🇸 664 52 2ms 6 Nov 2023 608th janbehrens 🇩🇪 663 206 399ms 26 Feb 2022 609th oeb25 663 282 207ms 16 May 2022 610th two-bad 🇬🇧 661 111 10ms 25 Feb 2024 611th Shanethegamer 🇺🇸 661 122 7ms 12 Apr 2024 612th billings7 🇬🇧 660 207 406ms 16 Apr 2022 613th jmerle 🇳🇱 659 114 16ms 15 Feb 2023 614th edsrzf 🇳🇿 659 182 126ms 30 Nov 2025 615th jgbaldwinbrown 658 177 2ms 15 Jun 2022 616th IISResetMe 657 88 429ms 27 days ago 617th m-tkach 🇺🇦 657 101 418ms 21 Jan 2024 618th edsrzf 🇳🇿 657 282 6ms 20 Feb 2025 619th rniii 654 61 41ms 15 Sep 2023 619th olleicua 🇺🇸 654 61 39ms 6 Jan 2024 619th anter69 🇭🇺 654 61 66ms 2 Apr 2024 619th xsot 🇸🇬 654 61 39ms 23 Apr 2025 619th beirigo 🇧🇷 654 61 40ms 17 Oct 2025 624th CatsAreFluffy 654 178 2ms 24 Feb 2023 625th Salutations45 653 96 2ms 22 Jan 2025 626th lynn 653 115 16ms 12 Feb 2022 626th Kacarott 🇦🇺 653 115 559ms 4 Feb 2025 628th MeWhenI 🇻🇦 653 204 2ms 11 Sep 2022 629th jerrandolph 653 280 240ms 19 Dec 2023 630th Florian-Mt 653 286 281ms 15 Jul 2024 631st albanian-laundromat 652 40 4ms 9 Dec 2025 632nd UnderKoen 🇳🇱 652 284 13ms 26 Aug 2025 633rd TehFlaminTaco 649 113 27ms 10 Nov 2022 634th thehylian 648 116 15ms 14 Jan 2023 634th zacjl 648 116 16ms 20 Apr 2023 636th Shanethegamer 🇺🇸 648 151 19ms 14 Aug 2024 637th CatsAreFluffy 646 205 142ms 31 Mar 2023 638th SirBogman 🇺🇸 646 283 41ms 31 Dec 2023 639th CaedenHarper 🇨🇦 645 212 465ms 17 Oct 2025 640th nwellnhof 🇩🇪 644 62 42ms 4 Jun 2022 First Prev 561–640 of 1,164 Next Last