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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 561st CaedenHarper 🇨🇦 711 225 366ms 24 days ago 562nd edsrzf 🇳🇿 710 184 1,636ms 29 Apr 2025 563rd weeble 709 138 4ms 18 Aug 2024 564th Natanaelel 🇸🇪 708 45 65ms 26 Sep 2023 565th CaedenHarper 🇨🇦 708 259 367ms 20 Nov 2025 566th prplz 🇦🇺 707 165 1ms 14 Feb 2022 566th Szum123321 🇵🇱 707 165 1ms 29 Nov 2023 568th janbehrens 🇩🇪 706 104 13ms 14 Apr 2023 568th m-tkach 🇺🇦 706 104 12ms 3 Jan 2025 568th dokutan 706 104 12ms 15 Jun 2025 571st AlephSquirrel 704 37 4ms 3 Aug 2023 572nd stefangimmillaro 703 57 38ms 18 Feb 2022 572nd tatzyr 🇯🇵 703 57 39ms 26 Feb 2025 574th Alex-x90 🇺🇸 703 166 2ms 8 Feb 2023 575th vgamula 🇺🇦 703 226 32ms 6 Nov 2023 576th GrayJoKing 🇦🇺 702 60 1,958ms 8 May 2022 577th stefangimmillaro 701 193 2,508ms 12 Nov 2024 578th stefangimmillaro 700 262 322ms 5 May 2025 578th edsrzf 🇳🇿 700 262 353ms 10 Jun 2025 580th JunkIce 699 95 454ms 3 Dec 2024 581st Mandrzejy 🇵🇱 699 167 1ms 3 Nov 2024 582nd emgordon154 698 118 1,301ms 3 Dec 2024 583rd primo-ppcg 🇹🇭 696 48 1,031ms 15 Feb 2022 584th Ripick 694 186 374ms 24 Jun 2025 585th ian-h-chamberlain 🇺🇸 694 270 217ms 13 Nov 2025 586th Sp3000 🇦🇺 693 41 4ms 19 Jan 2024 586th MeWhenI 🇻🇦 693 41 5ms 2 Mar 2025 588th lifthrasiir 🇰🇷 693 50 3ms 28 Nov 2024 589th KingSkyrock 🇺🇸 693 106 11ms 17 Mar 2022 590th KatieLG 🇬🇧 692 96 529ms 28 Oct 2024 591st Shanethegamer 🇺🇸 691 58 38ms 13 Feb 2022 591st SirBogman 🇺🇸 691 58 40ms 10 Jan 2024 593rd kg583 🇺🇸 691 212 83ms 14 Mar 2026 594th edsrzf 🇳🇿 686 38 4ms 14 Oct 2025 594th error256 686 38 4ms 18 Mar 2026 596th MathisBullinger 686 107 15ms 11 May 2022 596th CaedenHarper 🇨🇦 686 107 10ms 23 Aug 2025 598th iakolzin 685 205 61ms 1 Jul 2022 599th nwellnhof 🇩🇪 684 110 323ms 24 May 2022 599th AlephSquirrel 684 110 350ms 29 May 2023 599th 5cw 🇺🇸 684 110 183ms 9 May 2024 599th Seek64 🇩🇪 684 110 362ms 13 Sep 2024 603rd revlayle 🇺🇸 682 201 385ms 9 Dec 2022 604th CatsAreFluffy 682 206 64ms 24 Feb 2023 605th janbehrens 🇩🇪 681 199 505ms 26 Mar 2022 606th shinh 679 59 40ms 21 Jun 2022 606th lacrosse 679 59 39ms 13 Dec 2025 608th roavin 679 202 384ms 30 Jun 2022 609th edsrzf 🇳🇿 676 124 5ms 6 Oct 2025 610th Mikey-Beep 🇬🇧 676 203 381ms 2 Sep 2024 610th tomh1012 676 203 384ms 5 Sep 2025 612th 386asm 🇺🇸 675 222 43ms 5 May 2023 613th randolchance 674 109 11ms 4 Jan 2024 614th MeWhenI 🇻🇦 671 112 207ms 22 May 2024 615th prestosilver 🇺🇸 671 174 1ms 18 Nov 2025 616th MeWhenI 🇻🇦 670 146 6ms 13 Aug 2024 617th albanian-laundromat 🇺🇸 668 39 4ms 13 Feb 2026 618th snoozingnewt 🇨🇦 668 60 39ms 12 Feb 2026 619th Natanaelel 🇸🇪 668 86 33ms 29 Jan 2024 620th alemelis 668 101 767ms 26 Aug 2024 621st Shanethegamer 🇺🇸 668 122 8ms 12 Apr 2024 622nd edsrzf 🇳🇿 668 182 113ms 30 Nov 2025 623rd janbehrens 🇩🇪 667 6 51ms 25 Nov 2022 624th Garklein 🇨🇦 667 52 3ms 13 Feb 2022 624th Natanaelel 🇸🇪 667 52 2ms 14 Jul 2023 624th SirBogman 🇺🇸 667 52 2ms 6 Nov 2023 627th Shanethegamer 🇺🇸 667 61 5ms 13 Feb 2022 628th janbehrens 🇩🇪 666 206 387ms 26 Feb 2022 629th xnor-gate 665 113 36ms 14 Feb 2022 630th oeb25 664 282 193ms 16 May 2022 631st billings7 🇬🇧 663 207 389ms 16 Apr 2022 632nd two-bad 🇬🇧 661 111 11ms 25 Feb 2024 632nd Protothor 661 111 10ms 10 Mar 2026 634th jmerle 🇳🇱 660 114 17ms 15 Feb 2023 635th jgbaldwinbrown 659 177 2ms 15 Jun 2022 636th m-tkach 🇺🇦 658 101 537ms 21 Jan 2024 637th rniii 657 61 41ms 15 Sep 2023 637th olleicua 🇺🇸 657 61 38ms 6 Jan 2024 637th anter69 🇭🇺 657 61 59ms 2 Apr 2024 637th xsot 🇸🇬 657 61 40ms 23 Apr 2025 First Prev 561–640 of 1,228 Next Last