Command starships to defend Earth from aliens. Upgrade weapons and unlock new abilities. Face boss battles in 10 chapters. Use touch controls for tower defense. Adjust difficulty based on skill. Strategically apply buffs during missions.
Solve a sliding by rearranging numbered tiles. Slide tiles horizontally or vertically into the empty space. Arrange tiles in numerical order from 1 to 15. Track progress and reset the at any time.
Play 160 games with customizable card styles and color preferences. Track moves and time. View statistics and scoring. Use foundation autoplay, unlimited undo, and reversing layouts. Access rules for all games.
