They are useful for giving the player a lot of vertical speed while still permitting them freedom of movement, as Faith Plates set the player on a very specific course. While they are predominantly an SMB entity, they still have a use in Portal test chambers, as a method of gaining momentum or reaching high places.
- After launching from a Spring, the player will use their third walk frame rather than their jumping frame.
- Oddly enough, only the orange Overworld-styled spring has the correct graphic. The rest of them use the gray Castle-styled graphic. A similar issue is true for most enemies that have pallete support.