Terminus: The Prison Planet

Throughout the known universe, a lifestyle of constant education and minimal pleasure is being enforced by the System. The Wanglers are the main group of rebels to this, and their leader Brains has been imprisoned in the empire's compound. A team of four Wanglers, each with distinct characteristics with affect gameplay - the flying Mobod and Xann, climbing expert Magno, and the bouncing Spex - come to the rescue

The compound is split into 512 screens, and you can switch between the four characters when you come to a teleport. Each has limited battery power for the special suits which protect them - fortunately this can be recharged. There are plenty of guards to take out