- Its 3D with the ability to view anything at any angle
- True sandbox mode
- Unlimited scenery and custom scenery
- Fireworks, laser shows, water shows - that you create
- It's a real night and day mode
- working lighting
- ability to make billboards from your pics
- use your own custom music
- flying camera mode to take your own park videos
- much more intelligent peep behavior
- ability yo create custom peeps and "family" groups
- water parks where the peeps swim
- particle effects - smoke, fog, fire, etc.
I love RCT2, but once I got over my annoyances with RCT3 and learned how it works - I find I am able to produce the parks I was only able to dream of in RCT2. For me - RCT3 is how I spend most of my RCT time these days.