How to safely put the characters crossing the river? The logical problem is extremely interesting. With simple graphics and easy interaction, River IQ will bring you a completely new experience on intellectual game series. + Three couples go picnic together. They must move across a river with only one boat carrying a maximum of 2 people. Help them move across the river, provided that husbands would not allow their wives to go with another man without their presence there. + Instruction: - Touching these object to put them on the boat - "Let's Go" : Move to other side of the lake - "Help" : View instruction. - "Answer" : View solution.