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 641st m-tkach 🇺🇦 658 101 537ms 21 Jan 2024 642nd MeWhenI 🇻🇦 657 204 2ms 11 Sep 2022 643rd UnderKoen 🇳🇱 657 284 13ms 26 Aug 2025 644th rniii 656 61 44ms 15 Sep 2023 644th olleicua 🇺🇸 656 61 43ms 6 Jan 2024 644th anter69 🇭🇺 656 61 72ms 2 Apr 2024 644th xsot 🇸🇬 656 61 42ms 23 Apr 2025 644th beirigo 🇧🇷 656 61 42ms 17 Oct 2025 649th CatsAreFluffy 655 178 2ms 24 Feb 2023 650th jerrandolph 655 280 329ms 19 Dec 2023 651st Florian-Mt 655 286 282ms 15 Jul 2024 652nd lynn 654 115 13ms 12 Feb 2022 652nd Kacarott 🇦🇺 654 115 261ms 4 Feb 2025 654th WalrusesAreAwesome 653 210 435ms 16 Feb 2026 655th Shanethegamer 🇺🇸 652 151 19ms 14 Aug 2024 656th SirBogman 🇺🇸 652 283 41ms 31 Dec 2023 657th TehFlaminTaco 650 113 28ms 10 Nov 2022 658th thehylian 648 116 15ms 14 Jan 2023 658th zacjl 648 116 16ms 20 Apr 2023 660th DialFrost 🇸🇬 647 99 2,690ms 5 Sep 2025 661st CatsAreFluffy 647 205 142ms 31 Mar 2023 662nd CaedenHarper 🇨🇦 647 212 467ms 17 Oct 2025 663rd nwellnhof 🇩🇪 646 62 41ms 4 Jun 2022 663rd KL-Lru 646 62 42ms 29 Dec 2022 663rd KatieLG 🇬🇧 646 62 41ms 2 Oct 2025 666th not-a-pokemon 645 181 1ms 5 Jul 2025 667th ovs-code 🇩🇪 644 105 1,057ms 27 Oct 2023 668th brimstonetrader 644 206 148ms 21 Jan 2024 669th betaveros 643 117 17ms 31 Dec 2022 669th DayDun 🇸🇪 643 117 21ms 22 Jan 2023 669th KasperKivimaeki 🇫🇮 643 117 18ms 1 Jul 2025 669th bzijlema 🇳🇱 643 117 18ms 12 Nov 2025 669th Natanaelel 🇸🇪 643 117 18ms 10 Feb 2026 669th StefanHabel 🇨🇦 643 117 19ms 17 Mar 2026 669th SectorCorruptor 643 117 17ms 24 Mar 2026 676th Yewzir 🇧🇪 642 211 484ms 9 Feb 2023 677th jupj 🇫🇮 641 182 2ms 16 Sep 2022 677th jared-hughes 641 182 2ms 9 Jan 2023 679th MiffOttah 641 214 469ms 28 Nov 2024 680th Yewzir 🇧🇪 641 427 1,751ms 3 days ago 681st NickTheEASDude 🇺🇸 639 154 2ms 18 Sep 2024 682nd edsrzf 🇳🇿 639 175 114ms 10 Jun 2025 683rd DialFrost 🇸🇬 639 287 330ms 29 May 2025 684th Florian-Mt 638 115 11ms 27 Oct 2023 685th bizy-coder 637 118 41ms 6 Aug 2023 685th Rubiksmath 637 118 41ms 7 Aug 2023 685th blaztoma 🇱🇹 637 118 72ms 16 Feb 2026 688th denkyuu1 635 63 40ms 22 days ago 689th jared-hughes 635 221 2,906ms 9 Jan 2023 690th CaedenHarper 🇨🇦 634 101 4,393ms 23 Oct 2025 691st GolfingSuccess 🇬🇷 634 163 120ms 29 Jul 2025 692nd dokutan 634 190 200ms 12 Jul 2024 693rd Frowny 632 119 118ms 13 Feb 2022 693rd prplz 🇦🇺 632 119 16ms 13 Feb 2022 693rd bricknellj 632 119 21ms 14 Feb 2023 693rd edsrzf 🇳🇿 632 119 22ms 4 Oct 2025 693rd ryyyn 🇺🇸 632 119 20ms 8 Feb 2026 698th stefangimmillaro 630 133 5ms 2 Jul 2023 699th emgordon154 629 93 131ms 7 Aug 2024 700th JRaspass 🇬🇧 628 292 326ms 18 May 2022 701st TobyBoyne 🇬🇧 627 120 18ms 18 Feb 2022 701st OllieBoyne 🇬🇧 627 120 17ms 18 Feb 2022 701st petroselo 627 120 232ms 12 Apr 2022 701st inventshah 627 120 19ms 15 Nov 2022 701st CaedenHarper 🇨🇦 627 120 18ms 27 Dec 2024 701st Lv0Sys 🇵🇱 627 120 21ms 27 Feb 2026 707th MeWhenI 🇻🇦 626 108 358ms 15 Feb 2023 708th ChiefChippy2 625 64 40ms 12 Feb 2022 708th GrayJoKing 🇦🇺 625 64 42ms 13 Feb 2022 710th SirBogman 🇺🇸 625 92 34ms 23 Apr 2022 711th targrik 625 134 6ms 14 Aug 2025 712th Shanethegamer 🇺🇸 624 184 42ms 6 Sep 2024 713th elPossenreisser 624 220 426ms 6 May 2022 714th Beariish 623 158 2ms 27 Mar 2025 715th ovs-code 🇩🇪 622 94 156ms 17 Apr 2025 715th rucin93 🇵🇱 622 94 154ms 13 Jun 2025 717th albanian-laundromat 🇺🇸 622 103 3,506ms 25 Oct 2025 718th primo-ppcg 🇹🇭 621 121 21ms 4 Mar 2022 718th EnTerr 621 121 23ms 8 Sep 2024 718th Bulmenisaurus 621 121 14ms 3 Oct 2025 First Prev 641–720 of 1,265 Next Last