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Pincode cover
Easy

Pincode

Optiver's Pincode game, with a challenging twise. There's no win-condition, and the amount of memorization and sequencing changes to exponentially increase difficulty.

How to play
  1. 1.Difficulty rises each round: Round 1 Cooked (full pin shown), Round 2 Hard (one digit at a time), Round 3 Cracked (faster, runs forever).
  2. 2.Round 1: memorize and type the pin exactly as shown.
  3. 3.Round 2: digits appear right-to-left at their positions - still type the pin left-to-right.
  4. 4.Round 3: digits appear in sorted order at their positions - still type the pin left-to-right. The round never ends; the pin grows to 30 digits, then each solved pin appears a bit faster.
  5. 5.Solve 5 pins in Rounds 1 and 2 to advance. After 2 correct in a row at the same length, the pin grows by one digit.
  6. 6.You have 1 life. One wrong answer ends the run. Score is total pins solved across the whole run.