Professor Hector and his assistant, Professor Vector, navigate side-scrolling platform levels with the help of their creation, R.O.B. Their lives are threatened by dynamite and hungry little lizards called Smicks, and Professor Hector's sleep-walking ...

Designed for use with the Robotic Operating Buddy. Stack-Up is one of two games in Nintendo's Robot Series, the other being Gyromite. The player begins by arranging the blocks in a standard starting pattern (red, white, blue, yellow and green top-to-b...