No Limits Coasters - www.nolimitscoaster.de
NoLimits is the ultimate roller coaster simulation game that let´s you experience authentic roller coaster thrills. Focusing on realism and speed, NoLimits lets you ride real existing coasters, or build a roller coaster to your own specifications - with 13 different track styles, including inverted, hyper-coasters and wooden coasters. Comes highly recommended by me!

Scream Machines - www.wounded-heart.com
A new, quality, coaster simulator packed full of unique features. Many train and track styles, with the ability to create dual stations, launched coasters and shuttle coasters. This is well worth the money, and more besides!

Ultimate Ride - www.ultimateridegame.com
The official homepage for Disney Imagineering's Ultimate Ride game. Features a coaster exchange for Ultimate Ride, message boards, and online technical support. Home of the weekly "RollerGod" competition.

A site for all the simulators listed above. Includes ride exchanges for each sim, a coaster sim e-zine, and a thriving community. If you have a coaster sim, you need this site!

Gravimetric Studios - www.gravimetricstudios.com
The site of the creator for many tools for use within the No Limits Sim. Includes such tools as the Coaster Construction Kit, Skyboxer, Terraformer, Object Creator and Track Packager.