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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Ripick

    73,063
    71,220
    🥇4
    🥈11
    🥉25

    106 / 126 Holes

    🔣

    16 / 64 Langs

    🏆

    44 / 109 Cheevos

    📅

    12 Days of Christmas
    2,975th 292nd 2,507th
    24 Game
    233rd184th 440th
    99 Bottles of Beer
    3,406th 835th
    Abundant Numbers
    1,506th 2,272nd2,578th 1,043rd1,299th1,690th1,993rd1,215th3,113th1,315th 3,594th
    Abundant Numbers (Long)
    932nd 1,606th1,794th 893rd 1,638th1,754th643rd1,931st500th
    Arabic to Roman
    445th386th 1,242nd729th 867th
    Arithmetic Numbers
    853rd 1,265th444th1,393rd
    Arrows
    799th
    Ascending Primes
    444th 788th693rd 605th415th
    ASCII Table
    591st 1,128th
    Billiards
    381st334th
    brainfuck
    1,216th 1,181st 709th 513th
    Card Number Validation
    618th
    Catalan Numbers
    1,263rd768th 833rd 781st1,251st 991st
    Catalan’s Constant
    1,450th
    Christmas Trees
    1,122nd 1,009th336th 1,278th
    Collatz
    1,886th 1,947th2,421st590th 2,678th470th852nd1,170th
    Continued Fractions
    341st
    CSS Colors
    1st
    Cubes
    123rd
    Day of Week
    842nd1,315th947th
    DFA Simulator
    399th311th
    Diamonds
    1,620th 820th856th 1,440th
    Divisors
    2,426th 3,468th1,274th 2,695th
    Emirp Numbers
    2,449th 1,804th 1,860th
    Emirp Numbers (Long)
    1,078th 513th 886th
    Emojify
    644th
    Evil Numbers
    3,107th3,405th 2,089th 2,172nd2,834th4,543rd1,014th
    Evil Numbers (Long)
    1,857th2,051st 1,335th 1,257th1,154th2,242nd800th
    Factorial Factorisation
    671st
    Farey Sequence
    687th 705th
    Fibonacci
    4,552nd4,821st 7,149th7,099th3,852nd2,286th 7,269th2,620th5,036th1,286th
    Fizz Buzz
    5,134th11,242nd 5,015th 4,592nd3,058th1,543rd
    Foo Fizz Buzz Bar
    1,884th
    Fractions
    1,164th 1,367th
    Game of Life
    495th 711th
    Gijswijt’s Sequence
    549th 588th
    Happy Numbers
    1,721st 1,285th
    Happy Numbers (Long)
    308th 684th
    Hexdump
    546th
    Hilbert Curve
    63rd
    Intersection
    562nd
    Inventory Sequence
    881st 1,015th
    ISBN
    753rd 817th
    Jacobi Symbol
    467th
    Kaprekar Numbers
    617th 349th299th 551st
    Kolakoski Sequence
    452nd
    Leap Years
    2,559th 2,465th 2,541st 2,563rd3,692nd3,255th
    Levenshtein Distance
    421st 343rd 1,159th
    Leyland Numbers
    908th1,165th1,094th
    Look and Say
    762nd 1,446th
    Lucky Numbers
    612th
    Lucky Tickets
    317th 500th
    Mandelbrot
    349th267th403rd353rd
    Maze
    128th 269th
    Minesweeper
    242nd
    Morse Decoder
    455th
    Morse Encoder
    346th
    Multitap Input
    335th
    N Queens
    186th 431st
    Niven Numbers
    2,370th 2,861st 3,102nd
    Niven Numbers (Long)
    1,281st 1,030th
    Number Spiral
    627th
    Odious Numbers
    2,744th 1,706th2,355th3,758th1,001st
    Odious Numbers (Long)
    1,700th 1,267th921st2,033rd849th
    Ordinal Numbers
    1,419th
    PalindromemordnilaP
    573rd
    Pangram Grep
    1,341st
    Partition Numbers
    591st 636th
    Pascal’s Triangle
    1,421st 1,353rd 2,011th
    Pernicious Numbers
    2,364th 1,877th 1,451st
    Pernicious Numbers (Long)
    1,132nd 565th 581st
    Polyominoes
    186th
    Prime Numbers
    1,877th1,594th2,092nd4,145th2,611th4,110th2,295th1,542nd2,105th3,386th1,911th2,791st2,468th4,360th 1,954th
    Prime Numbers (Long)
    1,271st956th1,381st2,036th 2,054th1,332nd1,064th1,391st2,194th668th1,841st1,460th 1,287th
    Proximity Grid
    437th 381st
    Quine
    4,215th 4,133rd
    Recamán
    1,004th461st 834th
    Reverse Polish Notation
    732nd 1,001st
    Rijndael S-box
    806th 584th1,136th
    Roman to Arabic
    1,347th 1,072nd
    ROT13
    819th
    Rule 110
    464th
    Scrambled Sort
    483rd
    Set
    411th
    Seven Segment
    852nd
    Sierpiński Triangle
    594th170th
    Smith Numbers
    526th 627th
    Star Wars Opening Crawl
    293rd
    Sudoku
    146th 395th
    Sudoku (Fill-in)
    342nd
    Tic-tac-toe
    557th
    Tongue-twisters
    766th
    Topological Sort
    294th235th
    Tower of Hanoi
    705th 812th
    Transpose Sentence
    602nd
    Trinomial Triangle
    444th
    United States
    816th
    Vampire Numbers
    716th699th 610th1,151st868th
    Van Eck Sequence
    1,073rd919th 951st
    Zeckendorf Representation
    291st
    π
    991st 2,812th 823rd718th 1,192nd
    τ
    521st
    φ
    1,117th
    √2
    807th
    𝑒
    531st 1,263rd