Suggestions for new updates:
1. A higher sloped track so the trains move faster.
2. Tracks that go up and down for more building possibilities.
3. Tracks that spiral down from higher levels to gain speed.
4. Tracks that go backward from another level to utilize empty space.
5. An HR upgrade to reduce the track cost by a certain percentage.
6. A late-game marketing upgrade that multiplies all income.
7. An upgrade so that you make money on flat sections of the track.
8. An upgrade that makes guests pay a certain amount to get on the ride that can be upgraded.
9. Descriptions for tracks so players can know what each piece does.
10. The ability to make a second roller coaster.
11. An upgrade that increases the chance of higher-paying guests to come.
Anyone else, try to come up with update ideas so that this game can be a lot more fun and possibly become popular.