Dr. Spider is a classic solitaire game developed by SUD Inc. for Android devices. This game is a type of Patience game and is one of the more popular two-deck solitaire games. The main goal of the game is to remove all the cards from the table by assembling them in the tableau before removing them.

The game starts by dealing 54 cards to the tableau in ten piles, with only the top cards face up. The tableau piles can be moved together if they are in-suit sequences and build down by rank. Additionally, the remaining 50 cards can be dealt to the tableau ten at a time when none of the piles are empty. Dr. Spider offers a challenging gameplay experience that will keep you engaged for hours.