Moon Defense War

In a quiet night, alien meteorite broke the silence of the moon, a big wave approaching lunar meteorites, as guardian of the moon you, stand up, get up in the hands of weapons - bombs, to defend the moon does not hurt !
How to play:
1 have some time before the bomb exploded when the longer Charge time, the greater the damage range, but with an upper limit;
2 will have a first aid kit ready to fall, first aid kit should fall on the lunar surface will have a therapeutic effect, if the destruction of their weapons, they can not!