Flippin' Ninjas

From BoardGameGeek:

Flippin' Ninjas is a game of stealth, memory, bluffing, and strategy. In this quick-paced hidden-knowledge game, be the first to use your Ninjas to capture your opponent's Daimyo. However, these Ninjas are SO good at what they do that even you don't know where they are! When the game begins, pieces are placed face-down, with their identities hidden from both players. On your turn, you can flip over your pieces to reveal their identities and power. Ninjas can be flipped back down for a sneak attack, or they can be used to challenge hidden foes! Along with stealthy Ninjas, you command noble Samurai, fierce Sohei Warrior Monks, loyal Komainu and fierce Dragons. Each piece moves along a square grid and captures other pieces of equal or lesser power. Use your pieces strategically to surprise and outwit your opponent. -description from the publisher