The speed of multiplier decreasing depends on enemy type.

Conduit 2 features 23 enemy types, as opposed to the first game which only had 14.

Harder enemy types are encountered as the game progresses.

In the extermination phase, a wave of one or more enemy types moves across the level towards the core.

Each enemy type takes on their own behavior as they appear in the game area:

There are a large number of enemy types in the game.

There are over 500 individual rooms, over 30 different enemy types, and multiple difficulty settings.

The first level in a world would introduce a new technique or enemy type.

Some of the design elements of the old levels was also changed and several new enemy types were introduced.

Big Sister, an enemy type in the game BioShock 2.