Embark on a captivating journey with 'Solitaire 21,' a level-based card game that blends strategy and skill. Uncover the mystery of face-down cards, each holding values from -9 to 9. The goal? Skillfully use revealed cards to manipulate the center number, starting from 10, ensuring it stays between 1 and 20.

Challenge your wits through a series of levels, tapping on face-up cards to add their values to the center number. But beware—crossing the limits spells defeat! Navigate through a variety of power cards like MAX and MIN to control the center number effectively. Brace yourself for surprises with bomb cards, pair cards, and more, intensifying each level's complexity.

Key Features:

* Strategic card gameplay: Uncover, tap, and manipulate the center number
* Power cards: Utilize MAX, MIN, and other abilities to stay within limits
* Surprises and challenges: Navigate bombs, pair cards, and unexpected twists
* Increasing complexity: Levels get harder, testing your strategic prowess
* Addictive and engaging: Master the art of 'Solitaire 21' with each level.