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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 599th anter69 🇭🇺 653 61 69ms 2 Apr 2024 599th xsot 🇸🇬 653 61 35ms 23 Apr 2025 599th beirigo 🇧🇷 653 61 41ms 6 days ago 604th Salutations45 653 96 2ms 22 Jan 2025 605th lynn 653 115 17ms 12 Feb 2022 605th Kacarott 🇦🇺 653 115 347ms 4 Feb 2025 607th MeWhenI 🇻🇦 653 204 3ms 11 Sep 2022 608th jerrandolph 653 280 298ms 19 Dec 2023 609th CatsAreFluffy 652 178 2ms 24 Feb 2023 610th UnderKoen 🇳🇱 652 284 11ms 26 Aug 2025 611th Florian-Mt 652 286 307ms 15 Jul 2024 612th TehFlaminTaco 648 113 34ms 10 Nov 2022 613th Shanethegamer 🇺🇸 648 151 21ms 14 Aug 2024 614th thehylian 647 116 17ms 14 Jan 2023 614th zacjl 647 116 17ms 20 Apr 2023 616th CatsAreFluffy 646 205 156ms 31 Mar 2023 617th SirBogman 🇺🇸 646 283 50ms 31 Dec 2023 618th CaedenHarper 🇨🇦 644 212 390ms 6 days ago 619th brimstonetrader 643 206 155ms 21 Jan 2024 620th nwellnhof 🇩🇪 642 62 40ms 4 Jun 2022 620th KL-Lru 642 62 42ms 29 Dec 2022 620th Natanaelel 🇸🇪 642 62 38ms 9 Dec 2023 620th KatieLG 🇬🇧 642 62 41ms 21 days ago 624th betaveros 642 117 17ms 31 Dec 2022 624th DayDun 🇸🇪 642 117 25ms 22 Jan 2023 624th KasperKivimaeki 🇫🇮 642 117 26ms 1 Jul 2025 627th not-a-pokemon 641 181 2ms 5 Jul 2025 628th ovs-code 🇩🇪 640 105 1,007ms 27 Oct 2023 629th MiffOttah 638 214 362ms 28 Nov 2024 630th Florian-Mt 637 115 10ms 27 Oct 2023 631st jupj 🇫🇮 637 182 2ms 16 Sep 2022 631st jared-hughes 637 182 2ms 9 Jan 2023 633rd DialFrost 🇸🇬 637 287 280ms 29 May 2025 634th bizy-coder 636 118 43ms 6 Aug 2023 634th Rubiksmath 636 118 44ms 7 Aug 2023 634th StefanHabel 🇨🇦 636 118 17ms 4 Sep 2023 637th NickTheEASDude 🇺🇸 636 154 3ms 18 Sep 2024 638th Yewzir 🇧🇪 635 211 492ms 9 Feb 2023 639th edsrzf 🇳🇿 634 175 103ms 10 Jun 2025 640th jared-hughes 632 221 2,554ms 9 Jan 2023 641st Frowny 631 119 174ms 13 Feb 2022 641st prplz 🇦🇺 631 119 15ms 13 Feb 2022 641st bricknellj 631 119 22ms 14 Feb 2023 641st bzijlema 🇳🇱 631 119 16ms 18 Sep 2024 641st edsrzf 🇳🇿 631 119 26ms 19 days ago 646th GolfingSuccess 🇬🇷 631 163 148ms 29 Jul 2025 647th emgordon154 629 93 144ms 7 Aug 2024 648th edsrzf 🇳🇿 628 98 5ms 24 Aug 2025 649th stefangimmillaro 628 133 5ms 2 Jul 2023 650th dokutan 627 190 141ms 12 Jul 2024 651st TobyBoyne 🇬🇧 626 120 20ms 18 Feb 2022 651st OllieBoyne 🇬🇧 626 120 15ms 18 Feb 2022 651st petroselo 626 120 249ms 12 Apr 2022 651st inventshah 626 120 17ms 15 Nov 2022 651st CaedenHarper 🇨🇦 626 120 36ms 27 Dec 2024 656th JRaspass 🇬🇧 626 292 279ms 18 May 2022 657th SirBogman 🇺🇸 625 92 37ms 23 Apr 2022 658th MeWhenI 🇻🇦 623 108 371ms 15 Feb 2023 659th targrik 623 134 4ms 14 Aug 2025 660th ChiefChippy2 622 64 38ms 12 Feb 2022 660th GrayJoKing 🇦🇺 622 64 40ms 13 Feb 2022 662nd ovs-code 🇩🇪 622 94 164ms 17 Apr 2025 662nd rucin93 🇵🇱 622 94 142ms 13 Jun 2025 664th Shanethegamer 🇺🇸 622 184 53ms 6 Sep 2024 665th primo-ppcg 🇹🇭 620 121 24ms 4 Mar 2022 665th EnTerr 620 121 22ms 8 Sep 2024 665th Bulmenisaurus 620 121 13ms 20 days ago 668th Beariish 620 158 2ms 27 Mar 2025 669th elPossenreisser 620 220 373ms 6 May 2022 670th madex 🇩🇪 617 188 2ms 10 Apr 2022 671st ahmetdemirag 🇨🇾 615 122 17ms 15 Jul 2024 672nd janAkali 🇷🇺 615 208 442ms 9 Oct 2024 673rd annaproxy 615 222 358ms 29 Mar 2022 674th sean-niemann 🇺🇸 614 102 2ms 6 Jun 2023 675th AlephSquirrel 614 108 710ms 21 Jan 2024 First Prev 601–675 of 1,113 Next Last