We have 3 cheats and tips on Android. If you have any cheats or tips for Second Earth please send them in here. You can also ask your question on our Second Earth Questions & Answers page.
You can activate your shield for free so it protects your base from other players by leaving your command center outside the walls and allow enemies to attack it. When you do this the sheild will automatically activate and protect your resources.
You need Plasma to keep troops trained, when you run out of Plasma you can always sell back any unneeded troops to get all of their Plasma back.
You will gain free Ntrium when you complete the Tutorial.