The folks at Zero Online have posted a preview of the missions that will be available with the game's Expanding Horizon expansion on May 22nd.

New expansion set for Zero Online-Expanding Horizon will open on May 22. Are you looking forward to it?

Now let's check what are the prospective missions for our expansion, click the missions for detail.

The Invading Spies

The progress of Hyper-energy Research never ceases to amaze the universe, nor the Othello. This is good news and bad news for you and us. The good one is that after decades of research, the fusion technology is about to be put into performance. The bad one is, the cunning Othello have sent off lots of agents here for stealing this new technology, and the worse is that it then succeeded at last! After that, they loaded the information in the chips and made an attack schedule towards us. We have no idea whether they can produce fusion unit earlier than us, but the most important thing is that we should bring the chips and the Attack Schedule as soon as possible!

Read more here.