Hello,
If you are a Mac User and have recently upgraded to Yosemite, are you having issues running Universe Sandbox ²?
If so, we're trying to collect as much data as possible to track down some issues that have sprung up.
Please post your log files,
Log Files | Mac OSX
Typically located here:
~/Library/Logs/Unity/Player.log
Or from inside Universe Sandbox ²... select Home > Main > Show Log File in Folder
As well as any crash dump files. Which should be labeled as Universe Sandbox ².
Crash Dump Files | Mac OSX
~/ Library / Logs / DiagnosticReports
What is Yosemite?
https://www.apple.com/osx/