Use the PgUP and PgDn keyss :)
Chat with our AI personalities
http://rct3.sourceforge.net/tutorials/beginner_tutorial.html^^ read that tutorial ^^
If you created a Sandbox park, it's in your documents in a folder marked rct3. From there open the folder that says parks. You can't open your park but you can look at the past parks you created.
JCats sets you can dowload it at trackworx.com
You can zoom in on Agar.io using the mouse scroll wheel. Scroll up to zoom in and scroll down to zoom back out again.
http://rollerchamps.weebly.com/dowloads.html