Popular stories, tagged space opera and science fiction and action and aliens, ordered by reader boosts all time
1

Seraph's Gambit by Wayne Basta

action adventure aliens robots science fiction space opera

27 boosters
2

Shadow serial by Novagirl93

action adventure aliens complete futuristic science fiction series space opera

4 boosters
3

The Space Spoon by Helen Bold

The space adventures of a crazy alien with a unique weapon

action aliens comedy science fiction shapeshifters space opera

0 boosters