How to play PlanetDefender?

Select buildings from available structures list and build in available slots.

Walkthrough, cheats, hints and tips

Tips
1. Your population is the key to victory. Your revenue is determined by the size of your population. To protect your population, make sure areas under attack are protected by fortified bunkers. Late in the game, you'll want every location protected by at least one upgraded bunker.

2. The alien attackers are fairly intelligent-- they will attack structures based on strategic importance, as well as how defended it is-- both the structure itself (by Repair Bases) and the population (by Bunkers).

3. Economic Centers will allow you to generate the revenue you need, but since it takes time for them to pay for their initial investment, build them early on.

4. Bunkers and Repair Bases have a strong effect on adjacent (green) squares and a weak effect on diagonal (blue) squares. A structure that's diagonal from two fortified bunkers will have the population defense bonus as if it were directly adjacent to one.

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