In order to access the lower levels of the Twilight, an Other must step through their shadow at each successive level.

Additional treasures and their point values are revealed as the player completes successive levels.

The punishments for doing so become progressively more severe with each successive level.

There exists a chain of influences in which each successive level affects the next.

Three successive levels of photography classes are also offered.

In successive levels more monsters appear on each screen and they move quicker.

Every effort is made to provide each student with an informed pathway of study through the successive levels of a course.

To reach each successive level of forest, the player must find a doorway and the key that unlocks it.

A see-sawing motion of the arms lifted the water to successive levels in the cups.

But each successive level was smaller than the one above it.