The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 8 days. Why not try and solve them ahead of time?
💎 Oldest diamonds (uncontested gold medals) in Proximity Grid. Achievements Cheevos Holes Languages Medals Miscellaneous Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns 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 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 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 All Bytes Chars Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns Scoring All 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 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 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 # Golfer Hole Submitted 1st saito-ta 🇯🇵 Proximity Grid 4 Aug 2022 2nd saito-ta 🇯🇵 Proximity Grid 4 Aug 2022 3rd canissimia 🇦🇶 Proximity Grid 12 Jan 2023 3rd canissimia 🇦🇶 Proximity Grid 12 Jan 2023 5th Steffan153 🇫🇮 Proximity Grid 21 Feb 2023 6th ovs-code 🇩🇪 Proximity Grid 23 Feb 2023 6th ovs-code 🇩🇪 Proximity Grid 23 Feb 2023 8th saito-ta 🇯🇵 Proximity Grid 26 Jun 2023 8th saito-ta 🇯🇵 Proximity Grid 26 Jun 2023 10th nwellnhof 🇩🇪 Proximity Grid 11 Jul 2023 10th nwellnhof 🇩🇪 Proximity Grid 11 Jul 2023 12th nwellnhof 🇩🇪 Proximity Grid 12 Jul 2023 13th lyphyser Proximity Grid 13 Jul 2023 14th typeswitch-dev 🇵🇹 Proximity Grid 17 Aug 2023 14th typeswitch-dev 🇵🇹 Proximity Grid 17 Aug 2023 16th SirBogman 🇺🇸 Proximity Grid 23 Jan 2024 17th JayXon 🇺🇸 Proximity Grid 22 Apr 2024 17th JayXon 🇺🇸 Proximity Grid 22 Apr 2024 19th IanUtley Proximity Grid 6 May 2024 19th IanUtley Proximity Grid 6 May 2024 21st MeWhenI 🇻🇦 Proximity Grid 9 May 2024 21st MeWhenI 🇻🇦 Proximity Grid 9 May 2024 23rd ovs-code 🇩🇪 Proximity Grid 30 May 2024 23rd ovs-code 🇩🇪 Proximity Grid 30 May 2024 25th ovs-code 🇩🇪 Proximity Grid 30 May 2024 25th ovs-code 🇩🇪 Proximity Grid 30 May 2024 27th UnderKoen 🇳🇱 Proximity Grid 11 Jun 2024 27th UnderKoen 🇳🇱 Proximity Grid 11 Jun 2024 29th MostParsingVex Proximity Grid 25 Sep 2024 29th MostParsingVex Proximity Grid 25 Sep 2024 31st ovs-code 🇩🇪 Proximity Grid 8 Nov 2024 31st ovs-code 🇩🇪 Proximity Grid 8 Nov 2024 33rd JayXon 🇺🇸 Proximity Grid 4 Dec 2024 33rd JayXon 🇺🇸 Proximity Grid 4 Dec 2024 35th CLOStrophobic 🇮🇹 Proximity Grid 5 Mar 2025 36th bitsandbeyond 🇳🇱 Proximity Grid 7 Mar 2025 37th primo-ppcg 🇹🇭 Proximity Grid 6 May 2025 37th primo-ppcg 🇹🇭 Proximity Grid 6 May 2025 39th JayXon 🇺🇸 Proximity Grid 24 May 2025 39th JayXon 🇺🇸 Proximity Grid 24 May 2025 41st KatieLG 🇬🇧 Proximity Grid 2 Jun 2025 41st KatieLG 🇬🇧 Proximity Grid 2 Jun 2025 43rd edsrzf 🇳🇿 Proximity Grid 8 Jun 2025 43rd edsrzf 🇳🇿 Proximity Grid 8 Jun 2025 45th edsrzf 🇳🇿 Proximity Grid 8 Jun 2025 45th edsrzf 🇳🇿 Proximity Grid 8 Jun 2025 47th JayXon 🇺🇸 Proximity Grid 9 Jun 2025 47th JayXon 🇺🇸 Proximity Grid 9 Jun 2025 49th edsrzf 🇳🇿 Proximity Grid 17 Jun 2025 49th edsrzf 🇳🇿 Proximity Grid 17 Jun 2025 51st primo-ppcg 🇹🇭 Proximity Grid 23 Jun 2025 51st primo-ppcg 🇹🇭 Proximity Grid 23 Jun 2025 53rd duckyluuk 🇳🇱 Proximity Grid 27 Jun 2025 53rd duckyluuk 🇳🇱 Proximity Grid 27 Jun 2025 55th edsrzf 🇳🇿 Proximity Grid 14 Jul 2025 55th edsrzf 🇳🇿 Proximity Grid 14 Jul 2025 57th edsrzf 🇳🇿 Proximity Grid 14 Jul 2025 58th edsrzf 🇳🇿 Proximity Grid 16 Aug 2025 59th albanian-laundromat Proximity Grid 22 Aug 2025 60th edsrzf 🇳🇿 Proximity Grid 25 Aug 2025 61st edsrzf 🇳🇿 Proximity Grid 25 Aug 2025 61st edsrzf 🇳🇿 Proximity Grid 25 Aug 2025 63rd edsrzf 🇳🇿 Proximity Grid 28 Aug 2025 64th edsrzf 🇳🇿 Proximity Grid 3 Oct 2025 65th emgordon154 Proximity Grid 10 Nov 2025 65th emgordon154 Proximity Grid 10 Nov 2025 67th emgordon154 Proximity Grid 11 Nov 2025 68th JayXon 🇺🇸 Proximity Grid 25 Nov 2025 69th JayXon 🇺🇸 Proximity Grid 25 Nov 2025 70th edsrzf 🇳🇿 Proximity Grid 29 Nov 2025 70th edsrzf 🇳🇿 Proximity Grid 29 Nov 2025 72nd ovs-code 🇩🇪 Proximity Grid 20 Dec 2025 72nd ovs-code 🇩🇪 Proximity Grid 20 Dec 2025 74th edsrzf 🇳🇿 Proximity Grid 23 Dec 2025 75th blaztoma 🇱🇹 Proximity Grid 31 Dec 2025 75th blaztoma 🇱🇹 Proximity Grid 31 Dec 2025 77th JayXon 🇺🇸 Proximity Grid 1 Jan 2026 78th JayXon 🇺🇸 Proximity Grid 1 Jan 2026 79th edsrzf 🇳🇿 Proximity Grid 7 Feb 2026 80th edsrzf 🇳🇿 Proximity Grid 13 Feb 2026 1–80 of 107 Next Last
