Hey, Mountain Lion users -- thanks for your patience while we worked around some bugs in the OSX 10.8 graphics drivers. With the newest changes, I've fixed the flickering borders that could sometimes show up in fullscreen mode. I also modified shadow rendering to bypass a graphics driver bug that was causing a really tragic crash.
Updates to Cogs have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
By popular demand, we just patched in Steam Cloud support for Cogs! This means that your progress will be tied to your Steam account and transfer automatically between computers, even if you're switching between Mac and PC.