Rollercoaster Word Game

Its as simple as this, i say word that has to do with rollercoasters, and you respond with a word that starts off with the last letter of my word.

Example: Station, nemesis, strata-coaster, Raging Bull...etc.

Ill start off with..

Medusa

[Dirk_Ermen]

acceleration

Negative-G

[Dirk_Ermen]

g-forces

Stand-up

[Dirk_Ermen]

positive

entrance

exit

turbo

[Dirk_Ermen]

overbanked turn

helix

Xcelerator

Riddler's Revenge

[gouldy]

E-Stop

Pipeline

E-brake

lim brake

um...

Expedition Geforce. (haha, thanks rcdb.com. [:)])

element

Terraformer

rolling thunder

wU-d3n twStR (wooden twister)

That doesn't start with R...

Roar!

[Dirk_Ermen]

Rollercoaster tycoon [:D]

ninja