The relationship between the young characters Ico and Yorda is at the heart of this game. You'll fall under the spell of the two friends as you take on the role of Ico and try to lead the fragile Yorda to safety. Ico's physical stamina must be enough for the two of them, and Ico must assist Yorda in overcoming a variety of different obstacles. If Yorda is unable to climb a chain, Ico must find an alternative route; if Yorda is overcome by fear when contemplating a dangerous jump, Ico must use reassuring words to give her the confidence to make the leap.

Ico's gameplay is grounded in the concept of teamwork. The modern mantra of 'each man for himself' is replaced by an almost mythical idea of gallantry, a theme rarely seen in most adventure games. As Ico and Yorda help each other traverse the perils of the fortress, their heroism, friendship and selflessness will offer you a truly emotive gaming experience.