No guesses for any of these, so here's another hint for each.
#5
-A small neutral nation rich in natural resources must defend itself from an invasion by an imperial alliance
-After repelling an attack on their home town, three characters join the militia to defend their homeland
#4
-Will you end the age, or perpetuate the cycle for a little longer?
-The world was once a stagnant, still place covered in fog. Then, came fire.
#3
-32 years have passed since contact with Earth was lost
-Those that were stranded in space as a result came to be known as 'the lost generation'
#2
-Count 108 years...
-...and when the moon that never sets glows red...
#1
-The play at the start is just a ruse
-For a group of thieves, they can pull of a pretty decent stage play