High Frontier version 0.15 Excellent new sim for space based development that definitely will rely on SBSP… High Frontier We’ve just posted the fifteenth release of High Frontier. This one adds an important element to the simulation: carbon dioxide. We exhale it; plants use it for photosynthesis. Too much or too little can result in a Bad Day. View original post 203 more words Advertisements Like this:Like Loading... Related Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) You are commenting using your Google+ account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email.