

In addition to those, the co-op mode also includes stationary spiked plates which deal either 2.5 points of damage every 0.5 second (10 points of damage if the subject is pressed into them via an Excursion Funnel) or destroy their victim instantly.

In Portal 2 's singleplayer campaign, only dynamic crushers are encountered, and any contact with them results in immediate death. Stationary crushers in Test Chamber 09 of the Excursion Funnels Testing Course.Ĭrushers consist of a thick spiked plate and an optional driving mechanism in the form of one or more pistons, a robotic arm, or a combination of both.
