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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 826th SniperSmiley 🇺🇸 525 143 18ms 8 Jul 2022 826th Europe2048 525 143 26ms 22 Oct 2024 826th moustave 525 143 14ms 7 Apr 2025 829th MeWhenI 🇻🇦 523 139 759ms 15 Sep 2025 830th randolchance 522 144 18ms 4 Jan 2024 830th roupiq 🇵🇱 522 144 18ms 1 Mar 2024 830th mossiegoat 522 144 18ms 22 Aug 2025 830th Deppyforce 522 144 14ms 4 days ago 834th warmCabin 521 223 2ms 15 Apr 2022 835th MeWhenI 🇻🇦 520 246 350ms 27 Jul 2024 836th postie77 520 263 343ms 19 May 2023 837th Shanethegamer 🇺🇸 519 224 2ms 28 May 2025 838th MeWhenI 🇻🇦 519 255 165ms 13 Feb 2022 839th ovs-code 🇩🇪 519 398 13ms 8 Jul 2024 840th LeeCamp 518 145 17ms 14 Feb 2022 840th hellwue 518 145 12ms 7 Feb 2023 840th adamnielson42 🇺🇸 518 145 27ms 8 Oct 2024 840th Mabeloid 🇳🇴 518 145 24ms 4 May 2025 840th te-chnical 518 145 20ms 9 Jul 2025 845th DialFrost 🇸🇬 517 77 36ms 25 Dec 2024 846th karhuthebear 514 146 17ms 6 May 2022 846th Bonjour27891 🇻🇳 514 146 17ms 17 Jul 2022 846th Player01osu 514 146 10ms 28 Oct 2023 849th nephila-nacrea 🇬🇧 513 79 6ms 20 Feb 2022 850th Bodo171 511 147 19ms 7 Dec 2022 850th vgamula 🇺🇦 511 147 19ms 6 Nov 2023 850th croc54 511 147 16ms 27 Jan 2025 853rd Sciman101 510 192 2ms 27 Mar 2025 854th error256 509 51 4ms 6 May 2024 855th MeWhenI 🇻🇦 508 367 245ms 15 Feb 2022 856th davecame 507 148 34ms 18 Sep 2023 857th dokutan 507 193 2ms 13 Jan 2025 858th rucin93 🇵🇱 504 79 50ms 31 May 2025 859th namcartoon06 503 278 2,243ms 30 Jun 2023 860th MeWhenI 🇻🇦 503 370 28ms 14 Feb 2022 861st HumanoidCPU 502 132 393ms 29 Sep 2024 862nd adamnielson42 🇺🇸 502 146 9ms 2 Jun 2023 863rd sleepyStick 501 150 17ms 15 Jul 2022 863rd galloj 🇨🇿 501 150 17ms 9 Jan 2023 863rd cingulataluke 501 150 11ms 27 Aug 2023 863rd CutSandstone 501 150 19ms 8 Jul 2024 867th KatieLG 🇬🇧 501 365 285ms 1 Oct 2022 868th MeWhenI 🇻🇦 500 117 140ms 3 Aug 2024 869th msbranicky 499 267 3ms 12 Aug 2023 870th jacklynnepenick 497 151 16ms 15 Feb 2022 870th ssbhatt4321 497 151 21ms 11 Jun 2023 870th thienudomsrirungruang 497 151 19ms 16 Apr 2024 870th 051 🇸🇬 497 151 17ms 1 Aug 2024 870th mishak-sys 497 151 40ms 24 Feb 2025 875th MeWhenI 🇻🇦 497 168 4ms 28 May 2023 876th nyoshe 497 234 2ms 4 Jul 2023 877th MaxElf999 496 321 324ms 20 Aug 2024 878th edsrzf 🇳🇿 495 160 323ms 3 days ago 879th MeWhenI 🇻🇦 495 303 46ms 6 Sep 2022 880th bstrat 494 70 3ms 29 May 2024 881st TheBlupper 494 152 18ms 8 Nov 2022 881st yokasuretsu 494 152 15ms 14 Jan 2025 881st islptng 494 152 15ms 14 Oct 2025 884th MeWhenI 🇻🇦 492 236 2ms 25 Aug 2023 884th keelimeguy 🇺🇸 492 236 2ms 5 Nov 2023 886th hjcafaroUC 491 153 15ms 20 Aug 2022 886th LogicalJoe 491 153 14ms 29 Nov 2022 888th emplv 🇱🇻 491 170 4ms 30 Apr 2024 889th adamnielson42 🇺🇸 490 58 5ms 10 Jan 2024 890th dokutan 490 232 42ms 26 Aug 2024 891st Schmitt-Very-Cool 490 325 347ms 3 Oct 2025 892nd KatieLG-Transpiler 🇬🇧 488 154 94ms 4 Nov 2022 892nd stertooy 🇧🇪 488 154 17ms 14 Jun 2024 894th CaedenHarper 🇨🇦 486 82 46ms 13 Sep 2025 895th retrohun 486 129 2ms 6 Nov 2022 895th DialFrost 🇸🇬 486 129 2ms 31 May 2025 897th MeWhenI 🇻🇦 486 168 6ms 19 Apr 2024 898th MeWhenI 🇻🇦 486 608 44ms 15 Nov 2023 899th TheDrawingCoder-Gamer 485 202 3ms 1 Jul 2025 900th AbhilashaTandon 484 155 18ms 21 Nov 2022 First Prev 826–900 of 1,126 Next Last